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Electrical Engineering (EE)
Ask a question
Vivek Kumar
asked
• 5 minutes ago
Needed a Test for measurement?
Related:
Basic Electrical Technology - Notes, Videos, MCQs & PPTs
?
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Answer
to Question
Anjali Dubey
asked
• 20 minutes ago
In a power house, illumination should be approximately ............
a)
20 – 40 lumen/m
2
b)
80 – 90 lumen/m
2
c)
100-150 lumen/m
2
d)
200 – 250 lumen/m
2
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Subham Kumar
asked
• 28 minutes ago
A transformer rated 500KVA , 11/0.4KV has an impedance of 10%and is connected to an infinite bus .The fault level of the transformer is?
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Answer
to Question
Dileepu Cr
asked
• 44 minutes ago
For a 6 pole lap wound with 12 coils DC generator. Maximum number of equalizer rings connected in winding to limit circulating current will be. 4 6 8 10?
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Answer
to Question
Aman Sajwan
asked
• 1 hour ago
A chopper cannot be line commutated.
a)
True
b)
False
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Vikash Kumar
asked
• 2 hours ago
At slack bus, which one of the following combinations of variables is specified
(The symbols have their usual meaning)
a)
|V|, d
b)
P, Q
c)
P, |V|
d)
Q, |V|
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Soumen Maity
asked
• 2 hours ago
The breadth factor of 3rd harmonic EMF of a 3 phase 4 pole synchronous machine having 36 stator slots is- a)0.47, b)0.53, c) 0.67, d)0.73. Need the answer with explanation?
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Answer
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Mahesh547 Sandanaveni
asked
• 2 hours ago
Which instrument has the same calibration for ac & dc values ?
a)
Induction type
b)
Hot wire type
c)
Moving coil type
d)
Moving iron type
Correct answer is option 'B'. Can you explain this answer?
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Answer
to Question
Aabha Modi
asked
• 2 hours ago
What is difference between neutral nd earthimg?
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Answer
to Question
Md Suhail Khan
asked
• 3 hours ago
Which property of delta function indicates the equality between the area under the product of function with shifted impulse and the value of function located at unit impulse instant ?
a)
Replication
b)
Sampling
c)
Scaling
d)
Product
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Sunil Manjani
asked
• 3 hours ago
A Wien-bridge is used to measure the frequency of the input signal. However, the input signal has 10% third harmonic distortion. Specifically the signal is 2 sin 400 πt + 0.2 sin 1200 πt (with t insec). With this input the balance will
a)
Lead to a null indication and setting will correspond to a frequency of 200 Hz
b)
Lead to a null indication and setting will correspond to 260 Hz
c)
Lead to a null indication and setting will correspond to 400 Hz
d)
Not lead to null indication
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Airdrop Boom
asked
• 3 hours ago
Which of the following d.c. generator cannot build up on open-circuit?
a)
shunt
b)
series
c)
short shunt
d)
long shunt
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Rahul Bopche
asked
• 4 hours ago
In an Anderson bridge, the unknown inductance is measured in term of known
a)
resistance.
b)
capacitance.
c)
inductance and resistance.
d)
resistance and capacitance
Correct answer is option 'D'. Can you explain this answer?
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Answer
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S Shiva Kumar
asked
• 4 hours ago
For a particular type of memory the access time and cycle time are 200 ns each. The maximum rate at which data can be accessed by
a)
2.5 x 10
6
/s
b)
5 x 10
6
/s
c)
0.2 x l0
6
/s
d)
10
6
/s
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Sai Kiran
asked
• 4 hours ago
A small capacitance is added to a highly inductive circuit
a)
the angle between voltage & current will increase
b)
the pf will increase
c)
the pf will decrease
d)
the power drawn will decrease
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Jay Kumar
asked
• 4 hours ago
For the same voltage boost, the reactive power capacity is
a)
more for shunt capacitor
b)
more for series capacitor
c)
it is the same for both series and shunt
d)
uncertain
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Nalla Pavan
asked
• 5 hours ago
The industrial controller having the best steady - state accuracy is
a)
a derivative controller
b)
an integral controller
c)
a rate feedback controller
d)
a proportional controller
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Digvijay Kumar
asked
• 5 hours ago
Zero-sequence fault current is absent when fault is
a)
single-line-to ground fault.
b)
line-to-line ground fault.
c)
double-line-to ground fault.
d)
line-to-line
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Gunanandhini Sundar
asked
• 5 hours ago
Match List-I (Name of test) with List-II (Result) and select the correct code given below the lists:
List-I
A. Open Circuit and short circuit test
B. Open circuit and zero power factor test
C. Slip test
D. Maximum lagging current test
List-II
1. Leakage reactance
2. Direct axis synchronous reactance
3. Quadrature axis synchronous reactance
4. Ratio of direct axis synchronous reactance to quadrature axis synchronous reactance
a)
A
b)
B
c)
C
d)
D
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Cherishma Prakash
asked
• 7 hours ago
Needed a Document for on electrical engineering all syllabus?
Related:
Electrical Engineering SSC JE (Technical)
?
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Answer
to Question
Kangari Folk
asked
• 7 hours ago
A piece of oil soaked paper has been inserted between the plates of a parallel plate capacitor.Then the potential difference between the plates will
a)
increase
b)
decrease
c)
remain unaltered
d)
becomes zero
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Digvijay Kumar
asked
• 7 hours ago
Negative-sequence reactance of a transformer is
a)
equal to the positive-sequence reactance.
b)
larger than the positive-sequence reactance.
c)
smaller than the positive-sequence reactance.
d)
None of these
Correct answer is option 'A'. Can you explain this answer?
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Answer
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YUGOL KISHORE
asked
• 7 hours ago
The signal flow graph for a system is given below. The transfer function Y(S) / U(S) for this system is given as
a)
b)
c)
d)
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Meenu Maurya
asked
• 8 hours ago
The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60
o
, then the dead time (in minutes) is
a)
5π/12
b)
π/6
c)
π/12
d)
π/3
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Sudhakar Karudumpa
asked
• 8 hours ago
A ceiling fan of 1400 mm sweep will have motor rating of
a)
10 to 15 watts
b)
50 to 70 watts
c)
120 to 180 watts
d)
250 to 500 watts.
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Pride
asked
• 8 hours ago
The open circuit voltage of a standard car battery is 12.6?
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Answer
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Chikku Gopal
asked
• 10 hours ago
In a JFET, drain current is primarily controlled by
a)
size of depletion region
b)
channel resistance
c)
gate reverse bias
d)
voltage drop across channel
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Indrajit Mal
asked
• 10 hours ago
If the separation between the three phase of a transmission line is increased then
a)
the inductance will increase and capacitance will remain unchanged
b)
both inductance and capacitance will increase
c)
the inductance will increase and the capacitance will decrease
d)
the inductance will decrease and the capacitance will increase
Correct answer is option 'C'. Can you explain this answer?
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Vikash Parashar
asked
• 10 hours ago
A microprocessor with a 16-bit address bus is used in a linear memory selection configuration (i.e., Address bus lines are directly used as chip selects of memory chips) with 4 memory chips. The maximum addressable memory space is
a)
64 K
b)
16 K
c)
8 K
d)
4 K
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Ashish Popli
asked
• 10 hours ago
Fermi dirac distribution function?
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Answer
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Shaik Abeedh
asked
• 11 hours ago
A motor is coupled to a load through gear ratio
n
. If T is the motor torque, J
m
and J
L
are moment of inertia of rotor and load, then torque to inertia ratio referred to motor shaft is
a)
b)
c)
d)
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Priyamargabandhu
asked
• 11 hours ago
In 8085 microprocessor, an active low signal INTA is not needed from up service which of the following interrupt request?
a)
TRAP
b)
INTR
c)
RST 7.5
d)
RST 5.5
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Shrįshți Şâhü
asked
• 11 hours ago
For the circuit shown in figure given below, assumeb=h
FE
= 100. The transistor is in
a)
active region and V
CE
= 5 V.
b)
saturation region.
c)
active region and V
CE
= 1.42 V.
d)
cutoff region
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Kratika Sharma
asked
• 11 hours ago
The rate of change of digital signals between High and Low level is
a)
very fast
b)
fast
c)
slow
d)
very slow
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Akshay Gautam
asked
• 12 hours ago
Needed a Document for ESE electrical?
Related:
GATE Notes & Videos for Electrical Engineering
?
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Answer
to Question
Madhuliknice Song Satyaj
asked
• 12 hours ago
using mesh analysis find the amount of current in 1om and 2omh resistance
Related:
Chapter 1 Basic Electrical - Notes, Circuit Theory, Electrical Engineering
?
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Answer
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Parth Raj
asked
• 12 hours ago
what's electric flux
Related:
Chapter 1 - Electromagnetic System - Notes; Electrical Machines; Electrical Engineering
?
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Answer
to Question
Riyaj Tadavi
asked
• 12 hours ago
Needed a Test for electric circuit?
Related:
Electrical Engineering SSC JE (Technical)
?
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Answer
to Question
Sukh Singh
asked
• 13 hours ago
In arc welding, the voltage on ac supply system is in the range
a)
1000-1200 V
b)
400-500 V
c)
200-250 V
d)
70-1000 V
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Pinkesh Patel
asked
• 13 hours ago
Two magnetically uncoupled inductive coils have Q factors q
1
and q
2
at the chosen operating frequency. Their respective resistances are R
1
and R
1
. When connected in series, their effective Q factor at the same operating frequency is
a)
q
1
R
1
+ q2R
2
b)
q
1
/R
1
+ q
2
/R
2
c)
(q
1
R
1
+ q
2
R
2
)/ (R
1
+ R
2
)
d)
q
1
R
2
+ q
2
R
1
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Vikash Kumar
asked
• 13 hours ago
A 2V/1V two- winding transformer is connected as an autotransformer. Its voltage regulation as an autotransformer compared to the two-winding transformer is :
a)
the same
b)
1.5 times
c)
2 times
d)
3 times
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Akshata Ngl
asked
• 13 hours ago
X(t)=u(t 2)-u(t-2) h(t)=u(t 2)-u(t-2) Find x(t)*h(t) with graphical method?
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Answer
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Rahul Bopche
asked
• 13 hours ago
Which of the following circuit component opposes the change in the circuit voltage–
a)
Inductance
b)
Conductance
c)
Capacitance
d)
Resistance
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Sai Kiran
asked
• 13 hours ago
Guard circuits are used in insulation resistance measurements to
a)
increase the range of resistance values measured
b)
reduce the effect of leakage current on measurement
c)
protect against external electric fields
d)
protect against external magnetic field
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Gadhe Archana
asked
• 13 hours ago
A small signal voltage amplifier in common emitter configuration was working satisfactorily.Suddenly its emitter-bypass capacitor (CE) got disconnected. Its:
1. Voltage gain will decrease
2. Voltage gain will increase
3. Bandwidth will decreases
4. Bandwidth will increase
Which of these statements are correct?
a)
1 and 4 only
b)
2 and 3 only
c)
3 and 4 only
d)
1,2, 3 and 4
Correct answer is option 'B'. Can you explain this answer?
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Supraja Jillella
asked
• 13 hours ago
Match List-I with List-II and select the correct answer using the codes given below the lists:
a)
A
b)
B
c)
C
d)
D
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Vaishali More
asked
• 13 hours ago
The power development programmes that are possible in Tamil Nadu are largely based on
a)
Steam power plants
b)
hydroelectric power plants
c)
nuclear power plants
d)
diesel power plants
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Manoj Pawar
asked
• 14 hours ago
In the optimum generator scheduling different power plants, the minimum fuel cost is obtained when
a)
only the incremental fuel cost of each plant is the same
b)
the penalty factor of each plant is the same
c)
the ratio of the incremental fuel cost to the penalty factor of each plant is the same.
d)
the incremental fuel cost of each plant multiplied by its penalty factor is the same
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Kata Siva
asked
• 14 hours ago
Design a single circuit by using op-amp, which can generate a DC function, a Sinusoidal
function and a Square function. Explain the circuit in detail with proper labelling.
?
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Answer
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Mohammad Naveed
asked
• 15 hours ago
THE CURRENT IN THE ZENER DIODE IS CONTROLLED BY____?
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Answer
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Mohsin Khan
asked
• 15 hours ago
Needed a Test for electronics?
Related:
Mock Test Series for SSC JE Electrical Engineering (Hindi)
?
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Answer
to Question
Sreelakshmi Nambiar
asked
• 15 hours ago
In a single tank system, the transfer function of level to inlet flow rate is
a)
R
/
TS
b)
R
/(
TS
+ 1)
c)
l(
TS
+ l)
d)
1/
TS
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Manoj Sharma
asked
• 15 hours ago
In a thyrite lightning arrester the resistance
a)
varies linearly with applied voltage
b)
increases with the applied voltage
c)
Decreases linearly with the applied voltage
d)
is high at low current and low at high current
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Akash Waghmare
asked
• 15 hours ago
A 200/100 V, 50 Hz transformer is to be excited at 40 Hz from the 100 V side. For the exciting current to remain same, the applied voltage should be?
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Answer
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Ramakant Deshmukh
asked
• 15 hours ago
Needed a Document for short formula?
Related:
Electromagnetic Theory
?
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Answer
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Suveli Patekar Patekar
asked
• 16 hours ago
In switching devices, gold doping is used to
a)
improve bonding
b)
reduce storage time
c)
increase the mobility of the carrier
d)
protect the terminals against cooperation
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Raju Parihar
asked
• 16 hours ago
The illumination level in houses is in the range
a)
10-20 lumen/m
2
b)
30-50 lumen/m
2
c)
40-75 lumen/m
2
d)
100-140 lumen/m
2
Correct answer is option 'C'. Can you explain this answer?
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Sai Kiran
asked
• 17 hours ago
When a given transformer is run at a its rated voltage but reduced frequency its
a)
flux density remains unaffected
b)
iron losses are reduced
c)
core flux density is reduced
d)
core flux density is increased
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Dileep Shrivastava
asked
• 17 hours ago
The voltage actually used for setting up of theuseful flux in the air gap of 3- phase induction motor is
a)
= applied voltage
b)
> applied voltage
c)
< applied voltage
d)
= rotor induced emf.
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Lucy
asked
• 17 hours ago
In the circuit of figure β = 50 and V
BE
= 0.5 V. The quiescent value of base current I
B
is
a)
about 28 μA
b)
about 28 mA
c)
about 0.28 μA
d)
about 2.8 A
Correct answer is option 'A'. Can you explain this answer?
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Sunil Manjani
asked
• 17 hours ago
When electromagnetic waves are reflected at an angle from a wall, their wave-length along the wall is
a)
the same as in free space
b)
the same as the wavelength perpendicular to the wall
c)
shortened because of the Doppler effect
d)
greater than in the actual direction of propagation
Correct answer is option 'D'. Can you explain this answer?
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Amit Parashar
asked
• 18 hours ago
A 50 Hz, 11 kV, 3 phase alternator with earthed neutral having a reactance of 3 ohms per phase and is connected to a bus bar through a circuit breaker, if the distributed capacitance upto CB between the phase and neutral is 0.01 μ F.
What is the peak re striking voltage?
a)
18.36 kV
b)
17.96 kV
c)
15.96 kV
d)
12.65 kV
Correct answer is option 'B'. Can you explain this answer?
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Pinkesh Patel
asked
• 18 hours ago
The Voltage Source Inverter (VSI) shown in the figure below is switched to provide a 50Hz, square wave ac output voltage v
o
across an RL load. Reference polarity of v
o
and reference direction of the output current i
o
are indicated in the figure. It is given that R = 3 ohms, L = 9.55mH.
Appropriate transition i.e., Zero Voltage Switching (ZVS) / Zero Current Switching (ZCS) of the IGBTs during turn-on / turn-off is
a)
ZVS during turn off
b)
ZVS during turn-on
c)
ZCS during turn off
d)
ZCS during turn-on
Correct answer is option 'D'. Can you explain this answer?
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Sai Kiran
asked
• 18 hours ago
A supply voltage of 230V, 50 Hz is fed to a residential welding. Write down its equation for instantaneous value
a)
163 sin 314.16t
b)
230 sin 315.16t
c)
325 sin 314.16t
d)
361 sin 314.16t
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Gopal Sahu
asked
• 18 hours ago
The type of protection that does not respond to faults occurring beyond its zone even though the fault current may pass through the zone is
a)
Unit protection
b)
Generator protection
c)
Back – up protection
d)
Busbar protection
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Rupak Mandal
asked
• 18 hours ago
In a synchronous motor, the breakdown torque is
a)
directly proportional to applied voltage
b)
directly proportional to the square of the applied voltage
c)
inversely proportional to applied voltage
d)
none of the above
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Irshad Shaikh
asked
• 18 hours ago
The action of JFET in its equivalent circuit can best be represented as a
a)
current controlled current source
b)
current controlled voltage source
c)
voltage controlled voltage source
d)
voltage controlled current source
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Devi Koneti
asked
• 18 hours ago
Three identical resistances connected in Star consume 4000 watt power if resistances are connected in Delta across the same supply the power consumed is?
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Satyajit Padhi
asked
• 18 hours ago
Consider the following statements:
1. The effect of feedback is to reduce the system error.
2. Feedback increases the gain of the system in one frequency range but decreases in another.
3. Feedback can cause a system that is originally stable to become unstable.
Which of these statements are correct ?
a)
1, 2 and 3
b)
1 and 2
c)
2 and 3
d)
1 and 3
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Shubham Yadav
asked
• 18 hours ago
In a CRT the highest positive potential is given to
a)
focusing electrodes.
b)
cathode
c)
vertical deflection plates
d)
post deflection acceleration anode
Correct answer is option 'D'. Can you explain this answer?
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Answer
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SARITA NRAIN
asked
• 18 hours ago
Which one of the following is not a property of root loci ?
a)
The root locus is symmetrical about jw axis
b)
They start from the open loop poles and terminate at the open loop zeros.
c)
The breakaway points are determined from dK/ds = 0
d)
Segments of the real axis are part of the root locus, if and only if, the total number of real poles and zeros to their right is odd
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Ajay Kumar
asked
• 18 hours ago
Impedance of (3 j4) if voltage (100 j50). Power in ckt?
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Answer
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Praveen Avupati
asked
• 18 hours ago
Power factor of an alternator driven by constant prime mover input can be changed by changing its
a)
speed
b)
load
c)
field excitation
d)
phase sequence
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Sunil Manjani
asked
• 19 hours ago
Equalising pulses in TV are sent during
a)
horizontal blanking
b)
vertical blanking
c)
serrations (slots)
d)
the horizontal retrace
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Møîñ Ahmed
asked
• 19 hours ago
Match List-I with List-ll and select the correct answer:
List-I
A. Precision
B. Accuracy
C. Resolution
D. Static
List-ll
1. The smallest change in the input quantity which can be detected with its certainty
2. Closeness of the reading with its true value
3. Measure of reproductibility of the measurements
4. Ratio of infinitesimal change sensitivity in output to infinitesimal change in input
Codes:
A B C D
a)
2 3 1 4
b)
3 2 4 1
c)
3 2 1 4
d)
2 3 4 1
Correct answer is option 'C'. Can you explain this answer?
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Shaik Shahina
asked
• 19 hours ago
consider the following statements :
1. The effect of feedback is to reduce the system error
2. Feedback increases the gain of the system in one frequency range but decreases in another.
3. Feedback can cause a system that is originally stable to become unstable
Which of these statements are correct ?
a)
1, 2 and 3
b)
1 and 2
c)
2 and 3
d)
1 and 3
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Nanditha Jayashankar
asked
• 19 hours ago
The equivalent circuit of the inductor shown below is
a)
b)
c)
d)
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Harish Godakadi
asked
• 20 hours ago
Minimum number of coils for 400V 6 pole lap wound dc machine of maximum voltage for 15V between adjacent commutator segments should be?
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Answer
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Hemalatha S
asked
• 20 hours ago
The use of electronic instruments is becoming more extensive because they have
a)
the capability to respond to signals from remote places
b)
afast response and compatibility with digital computers
c)
both (a) and (b)
d)
a high sensitivity but less reliability
Correct answer is option 'C'. Can you explain this answer?
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Radhika Jeughale
asked
• 20 hours ago
Which portion of the power system is least prone to faults ?
a)
Alternators.
b)
Switchgear.
c)
Transformers.
d)
Underground cable.
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Rahul Kumar Mandal
asked
• 21 hours ago
Zero sequence current can flow from a line into a transformer bank if the windings are in
a)
Grounded star/delta
b)
delta/star
c)
star/grounded star
d)
delta/delta
Correct answer is option 'A'. Can you explain this answer?
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Dileep Shrivastava
asked
• 21 hours ago
Interpoles are usually wound with
a)
very fine gauge copper wire
b)
heavy gauge copper wire
c)
insulation material
d)
interpoles do not need winding
Correct answer is option 'B'. Can you explain this answer?
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Supraja Jillella
asked
• 21 hours ago
Whenever the conductors are dead-ended or there is a change in the direction of transmission line, the insulators used are of the
a)
Pin type
b)
Suspension type
c)
Strain type
d)
Shackle type
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Uttam Mohanty
asked
• 21 hours ago
Assertion (A):
If points at infinity are included, G(
s
) has same number of poles and zeros.
Reason (R):
The function
has a zero at
s
= - 2.
a)
Both A and R are correct and R is correct explanation of A
b)
Both A and R are correct but R is not correct explanation of A
c)
A is correct but R is wrong
d)
R is correct but A is wrong
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Supraja Jillella
asked
• 21 hours ago
The number of discs in a string of insulators for 400 kV ac overhead transmission line lies in the range of
a)
32 to 33
b)
22 to 23
c)
15 to 16
d)
9 to 23
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Dev Never Give Up
asked
• 21 hours ago
Two -insulator discs of identical capacitance value C makes up a string for a 22 kV, 50 Hz,single-phase overhead line insulation system. If the pin to earth capacitance is also C, then the string efficiency is
a)
50%
b)
75%
c)
90%
d)
86%
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Amit Parashar
asked
• 21 hours ago
In the buck-boost converter, what is the maximum value of the switch utilization - factor?
a)
1.00
b)
0.50
c)
0.75
d)
0.25
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Kratika Sharma
asked
• 22 hours ago
The number of LED display indicators in logic probe are
a)
1
b)
2
c)
1 or 2
d)
4
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Mansi Asthana
asked
• 22 hours ago
A 50Hz, bar primary CT has a secondary with 500turns. The secondary supplies 5A current into a purely resistive burden of 1 ohm. The magnetizing ampere turns is 200. The phase angle between the primary and secondary current i
...
more
s?
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Answer
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Bindu Reddy
asked
• 22 hours ago
The photo electric current in amperes per watt of incident light depend on
a)
frequency of incident light
b)
intensity of incident light
c)
frequency & intensity of incident light
d)
frequency wavelength and intensity of incident light
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Kishan Pathak
asked
• 22 hours ago
As compared to full wave rectifier using two diodes, the four diode bridge rectifier has the dominant advantage of
a)
higher current carrying capacity
b)
lower peak inverse voltage requirement
c)
lower ripple factor
d)
higher efficiency
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Lalithakala Thopudurthy
asked
• 23 hours ago
The number of significant figures in the two resistors having resistances 4 x 10
6
kΩ and 0.345 kΩ are respectively
a)
6 and 3
b)
2 and 4
c)
1 and 4 .
d)
1 and 3
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Ranganatha Krishnappa
asked
• 23 hours ago
Which portion of the transmission system is more prone to faults ?
a)
Alternator.
b)
Transformer.
c)
Overhead lines.
d)
Underground cable
Correct answer is option 'C'. Can you explain this answer?
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Answer
to Question
Indresh Yadav
asked
• 23 hours ago
In the circuit shown below the op-amps are ideal. Then V
out
in Volts is
a)
4
b)
6
c)
8
d)
10
Correct answer is option 'C'. Can you explain this answer?
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Answer
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Maneesh Singh
asked
• 23 hours ago
In dc series motor 1 shaft torque is less than the armature torque due to
a)
stray losses
b)
eddy current losses
c)
hysteresis losses
d)
all of the above
Correct answer is option 'A'. Can you explain this answer?
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Answer
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Nikhil Kshirsagar Kshirs
asked
• 23 hours ago
Which factor does the constructional feature of the hydro-generators depend on?
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Answer
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Mahesh547 Sandanaveni
asked
• 23 hours ago
If the number of conductors and speed of a lap wound generator is doubled then the generated emf will be
a)
Remains same
b)
Twice of the former
c)
Four times of former emf
d)
Half of the former emf
Correct answer is option 'C'. Can you explain this answer?
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Answer
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UMESH KUMAR MANDAL
asked
• 23 hours ago
In extrinsic semiconductor, conductivity varies with respect to temperature.
a)
For low temperature, it decreases then increases
b)
For low temperature it increases then increases
c)
It increases as temperature increases
d)
It decreases as temperature increases
Correct answer is option 'B'. Can you explain this answer?
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Answer
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Nitin Negi
asked
• 23 hours ago
In a capacitor start single-phase motor, when capacitor is replaced by a resistance
a)
torque will increase
b)
the motor will consume less power
c)
motor will run in reverse direction
d)
motor will continue to run in same direction
Correct answer is option 'D'. Can you explain this answer?
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Answer
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Suresh Pawan
asked
• yesterday
Match List- I (Connection) with List-ll (Equivalent inductance) and select the correct answer using the codes given below the lists:
Codes:
a)
a
b)
b
c)
c
d)
d
Correct answer is option 'D'. Can you explain this answer?
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Answer
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