Electrical Engineering (EE)
i1, i2 = ?
- a)2.6 A, 1.4 A
- b)2.6 A, -1.4 A
- c)1.6 A, 1.35 A
- d)1.2 A, -1.35 A
Correct answer is option 'D'. Can you explain this answer?
i1, i2 = ?
a)
2.6 A, 1.4 A
b)
2.6 A, -1.4 A
c)
1.6 A, 1.35 A
d)
1.2 A, -1.35 A
SHAILJA YASH answered • 31 minutes agoix = i1 - i2
....(i)
...(ii)
....(i) ...(ii)
The cut off frequency of the TEM wave is- a)0
- b)1 GHz
- c)6 GHz
- d)infinity
Correct answer is option 'A'. Can you explain this answer?
The cut off frequency of the TEM wave is
a)
0
b)
1 GHz
c)
6 GHz
d)
infinity
SATYA DEVI answered • 31 minutes agoAnswer: a
Explanation: The TEM waves have both E and H perpendicular to the guide axis. Thus its cut off frequency is zero.
Explanation: The TEM waves have both E and H perpendicular to the guide axis. Thus its cut off frequency is zero.
Dhake Pavan asked • 51 minutes agoIn a shaded-pole induction motor, the rotor runs from the- a)shaded portion to the unshaded portion of the pole while the flux in the former leads that in the latter
- b)shaded portion to the unshaded portion of the pole while the flux in the former lags that in the latter
- c)unshaded portion to the shaded portion while the flux in the former leads that in the latter
- d)unshaded portion to the shaded portion while the flux in the former lags that in the latter
Correct answer is option 'C'. Can you explain this answer?
In a shaded-pole induction motor, the rotor runs from the
a)
shaded portion to the unshaded portion of the pole while the flux in the former leads that in the latter
b)
shaded portion to the unshaded portion of the pole while the flux in the former lags that in the latter
c)
unshaded portion to the shaded portion while the flux in the former leads that in the latter
d)
unshaded portion to the shaded portion while the flux in the former lags that in the latter
Which of the following statements are correct?- a)Root locus is for the negative feedback systems
- b)Complementary root locus is for the positive feedback systems
- c)Root locus is for the negative feedback and Complementary root locus is for the positive feedback systems
- d)Complementary root locus is for the negative feedback systems
Correct answer is option 'C'. Can you explain this answer?
Which of the following statements are correct?
a)
Root locus is for the negative feedback systems
b)
Complementary root locus is for the positive feedback systems
c)
Root locus is for the negative feedback and Complementary root locus is for the positive feedback systems
d)
Complementary root locus is for the negative feedback systems
NAMRTA BHARDWAJ answered • 31 minutes agoAnswer: c
Explanation: Root locus and Complementary root locus are complementary to each other.
Explanation: Root locus and Complementary root locus are complementary to each other.
Which one of the following applications software’s is used to obtain an accurate root locus for?- a)LISP
- b)MATLAB
- c)dBase
- d)Oracle
Correct answer is option 'B'. Can you explain this answer?
Which one of the following applications software’s is used to obtain an accurate root locus for?
a)
LISP
b)
MATLAB
c)
dBase
d)
Oracle
BEENA DEVI answered • 31 minutes agoAnswer: b
Explanation: MATLAB stands for mathematics laboratory in which the input is in the form of the matrix and is the best software for drawing root locus.
Explanation: MATLAB stands for mathematics laboratory in which the input is in the form of the matrix and is the best software for drawing root locus.
Scientist Evans have contribution in :- a)Asymptotic plots
- b)Polar plots
- c)Root locus technique
- d)Constant M and n circle
Correct answer is option 'C'. Can you explain this answer?
Scientist Evans have contribution in :
a)
Asymptotic plots
b)
Polar plots
c)
Root locus technique
d)
Constant M and n circle
DURGA DEVI answered • 31 minutes agoAnswer: c
Explanation: Root locus technique is used to find the transient and steady state response characteristics by finding the locus of the gain of the system and this was made Scientist Evans .
Explanation: Root locus technique is used to find the transient and steady state response characteristics by finding the locus of the gain of the system and this was made Scientist Evans .
The constant N loci represented by the equation x^2+x+y^2=0 is for the value of phase angle equal to: - a)-45°
- b)0°
- c)45°
- d)90°
Correct answer is option 'D'. Can you explain this answer?
The constant N loci represented by the equation x^2+x+y^2=0 is for the value of phase angle equal to:
a)
-45°
b)
0°
c)
45°
d)
90°
AMARJEET KAUR answered • 31 minutes agoAnswer: d
Explanation: Centre = (-0.5, 0)
Centre of N circle is (-1/2, 1/2N)
N =tanα
α =90°.
Explanation: Centre = (-0.5, 0)
Centre of N circle is (-1/2, 1/2N)
N =tanα
α =90°.
Assertion (A): In an op-amp the voltage gain and band width can be adjusted as per requirementReason (R): Large value capacitor can also be fabricated on a chip- a)Both A and R are correct and R is correct explanation for A
- b)Both A and R are correct but R is not correct explanation for A
- c)A is correct R is wrong
- d)A is wrong R is correct
Correct answer is option 'C'. Can you explain this answer?
Assertion (A): In an op-amp the voltage gain and band width can be adjusted as per requirement
Reason (R): Large value capacitor can also be fabricated on a chip
a)
Both A and R are correct and R is correct explanation for A
b)
Both A and R are correct but R is not correct explanation for A
c)
A is correct R is wrong
d)
A is wrong R is correct
SANGEETA DEVI answered • 31 minutes agoLarge value capacitor cannot be fabricated on a chip.
For a Si transistor connected as shown in the fig. VBE = 0.7V. Given that the reverse saturation current of the junction at room temperature is 200 nA, the IC is given by
- a)78.93 A
- b)147.86 mA
- c)154.13 mA
- d)72.26 mA
Correct answer is option 'B'. Can you explain this answer?
For a Si transistor connected as shown in the fig. VBE = 0.7V. Given that the reverse saturation current of the junction at room temperature is 200 nA, the IC is given by
a)
78.93 A
b)
147.86 mA
c)
154.13 mA
d)
72.26 mA
SONIKA AMAR answered • 31 minutes agoSince base is connected to collector of the transistor, therefore it works as a diode
Ic = I0{eVBE/ηVT-1}
Here, I0 = 200 nA, VBE = 0.7, η = 2, VT = 26 mV
So, Ic = 147.86 mA
A 220 V series motor takes a current 35 amp and runs at 500 rpm. Armature resistance = 
and series field resistance = 
. If iron and friction losses amount to 
Whatis the armature torque- a)134N
- b)138N
- c)154N
- d)156N
Correct answer is option 'A'. Can you explain this answer?
A 220 V series motor takes a current 35 amp and runs at 500 rpm. Armature resistance = and series field resistance = . If iron and friction losses amount to Whatis the armature torque
and series field resistance = . If iron and friction losses amount to Whatis the armature torquea)
134N
b)
138N
c)
154N
d)
156N
SARITA NRAIN answered • 31 minutes ago
Intrinsic impedance or charcteristic impedance of the non-conducting medium in the free space is- a)120 π Ohms
- b)80 π Ohms
- c)160 π Ohms
- d)60 π Ohms
Correct answer is option 'A'. Can you explain this answer?
Intrinsic impedance or charcteristic impedance of the non-conducting medium in the free space is
a)
120 π Ohms
b)
80 π Ohms
c)
160 π Ohms
d)
60 π Ohms
KANCHAN HIRA answered • 31 minutes agoIntrinsic impedance or characteristic impedance of the non-conducting medium in free space is given as
If the system matrix of a linear time invariant continuous system is given by
Its characteristic equation is given by: - a)s2+5s+3=0
- b)s2-3s-5=0
- c)s2+3s+5=0
- d)s2+s+2=0
Correct answer is option 'A'. Can you explain this answer?
If the system matrix of a linear time invariant continuous system is given by
Its characteristic equation is given by:
Its characteristic equation is given by:
a)
s2+5s+3=0
b)
s2-3s-5=0
c)
s2+3s+5=0
d)
s2+s+2=0
DURGI DEVI answered • 13 hours agoAnswer: a
Explanation: The transfer function is calculated by the state variable analysis and hence the transfer function is calculated by state transition matrix and taking the inverse Laplace transform.
Explanation: The transfer function is calculated by the state variable analysis and hence the transfer function is calculated by state transition matrix and taking the inverse Laplace transform.
Consider the following statements:
1. The delay time is the time required to reach 50% of the final value in the first time.
2. The rise time is the time required for the response to rise from 10% to 90% of its final value for underdamped systems.
3. The rise time is the time required for the response to rise from 0 to 100% for the underdamped systems.
Which of these statements are correct?- a)1,2 and 3 only
- b)1 and 2 only
- c)1 and 3 only
- d)2 and 3 only negative real axis
Correct answer is option 'C'. Can you explain this answer?
Consider the following statements:
1. The delay time is the time required to reach 50% of the final value in the first time.
2. The rise time is the time required for the response to rise from 10% to 90% of its final value for underdamped systems.
3. The rise time is the time required for the response to rise from 0 to 100% for the underdamped systems.
Which of these statements are correct?
1. The delay time is the time required to reach 50% of the final value in the first time.
2. The rise time is the time required for the response to rise from 10% to 90% of its final value for underdamped systems.
3. The rise time is the time required for the response to rise from 0 to 100% for the underdamped systems.
Which of these statements are correct?
a)
1,2 and 3 only
b)
1 and 2 only
c)
1 and 3 only
d)
2 and 3 only negative real axis
RAJNI DEVI answered • 13 hours agoAnswer: c
Explanation: The rise time is the time required for the response to rise from 10% to 90% of its final value for overdamped systems.
Explanation: The rise time is the time required for the response to rise from 10% to 90% of its final value for overdamped systems.
The range of K for the stability of system is 0<K<100. For K =10, The gain Margin of the system- a)10
- b)5
- c)0.1
- d)0.5
Correct answer is option 'A'. Can you explain this answer?
The range of K for the stability of system is 0<K<100. For K =10, The gain Margin of the system
a)
10
b)
5
c)
0.1
d)
0.5
KIRNA DEVI answered • 13 hours agoAnswer: a
Explanation: Gain margin of the system is 10.
Explanation: Gain margin of the system is 10.
Omkar Kandekar asked • 2 hours agoGalloping in transmission line conductors arises generally due to- a)Asymmetrical layers of ice formation
- b)Vortex phenomenon in light winds
- c)Heavy weight of the line conductor configuretions
- d)Adoption of horizontal conductor configuretions
Correct answer is option 'A'. Can you explain this answer?
Galloping in transmission line conductors arises generally due to
a)
Asymmetrical layers of ice formation
b)
Vortex phenomenon in light winds
c)
Heavy weight of the line conductor configuretions
d)
Adoption of horizontal conductor configuretions
In a bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-pole system?- a)-80dB/decade
- b)-40 dB/decade
- c)40 dB/decade
- d)80 dB/decade
Correct answer is option 'A'. Can you explain this answer?
In a bode magnitude plot, which one of the following slopes would be exhibited at high frequencies by a 4th order all-pole system?
a)
-80dB/decade
b)
-40 dB/decade
c)
40 dB/decade
d)
80 dB/decade
NAINCY PRAKASH answered • 13 hours agoAnswer: a
Explanation: A 4th order all pole system means that the system must be having no zero or s-term in numerator and s4 terms in denominator. One pole exhibits -20dB/decade slope, so 4 pole exhibits a slope of -80 dB /decade.
Explanation: A 4th order all pole system means that the system must be having no zero or s-term in numerator and s4 terms in denominator. One pole exhibits -20dB/decade slope, so 4 pole exhibits a slope of -80 dB /decade.
Gain margin is:- a)It is a factor by which the system gain can be increased to drive it to the verge of instability
- b)It is calculated at gain cross over frequency
- c)It is calculated at phase cross over frequency
- d)Both a and c
Correct answer is option 'D'. Can you explain this answer?
Gain margin is:
a)
It is a factor by which the system gain can be increased to drive it to the verge of instability
b)
It is calculated at gain cross over frequency
c)
It is calculated at phase cross over frequency
d)
Both a and c
SUNITA KALYAN answered • 13 hours agoAnswer: d
Explanation: Gain margin is a factor by which the system gain can be increased to drive it to the verge of instability and is calculated at phase cross over frequency.
Explanation: Gain margin is a factor by which the system gain can be increased to drive it to the verge of instability and is calculated at phase cross over frequency.
The dc output voltage of the circuit is
- a)4.3 V
- b)1.369 V
- c)3.87 V
- d)1.94 V
Correct answer is option 'B'. Can you explain this answer?
The dc output voltage of the circuit is
a)
4.3 V
b)
1.369 V
c)
3.87 V
d)
1.94 V
INDU SHARMA answered • 13 hours agoThis is half wave Rectifier, because in +ve cycle both the diode will be in forward biased.
For +ve cycle, 
Vo max = Imax. Req
2.59 x 10-3 x 1.66 x 103
4.299 volt.
The output of the system for the input x (t) = 4u(t) is y (t). The value of 
y(t) is
A TL supported by 3 insulation disc, the maximum voltage of each disc is 25 KV. Find the operating voltage per phase of the line given efficiency η = 78%- a)58.5 KV
- b)19.6 KV
- c)62.5 KV
- d)69.6 KV
Correct answer is option 'A'. Can you explain this answer?
A TL supported by 3 insulation disc, the maximum voltage of each disc is 25 KV. Find the operating voltage per phase of the line given efficiency η = 78%
a)
58.5 KV
b)
19.6 KV
c)
62.5 KV
d)
69.6 KV
DIVYA CHAUHAN answered • 13 hours ago
as (V1 + V2 + V3) is per phase voltage
For a linear time invariant system, an optimal controller can be designed if- a)the system is unstable but observable
- b)the system is controllable and observable
- c)the system is stable and unobservable
- d)the system is uncontrollable but stable
Correct answer is option 'B'. Can you explain this answer?
For a linear time invariant system, an optimal controller can be designed if
a)
the system is unstable but observable
b)
the system is controllable and observable
c)
the system is stable and unobservable
d)
the system is uncontrollable but stable
JYOTI RANDEEP answered • 13 hours agoAn optimal controller for an LTI system can be designed provided the system is both controllable and observable
What is the value of multiplier resistance on the 50 V range of a dc voltmeter that uses a 500 μA meter movement with an internal resistance of 1 kΩ?- a)109 kΩ
- b)199 kΩ
- c)99 kΩ
- d)119 kΩ
Correct answer is option 'C'. Can you explain this answer?
What is the value of multiplier resistance on the 50 V range of a dc voltmeter that uses a 500 μA meter movement with an internal resistance of 1 kΩ?
a)
109 kΩ
b)
199 kΩ
c)
99 kΩ
d)
119 kΩ
SUMAN LATA answered • 13 hours agoThe sensitivity of 500 μA meter movement is given by,
The value of the multiplier resistance can be obtained as
The value of the multiplier resistance can be obtained as
Which one of the following statements is correct? Nichol’s chart is useful for the detailed study analysis of:- a)Closed loop frequency response
- b)Open loop frequency response
- c)Close loop and open loop frequency responses
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
Which one of the following statements is correct? Nichol’s chart is useful for the detailed study analysis of:
a)
Closed loop frequency response
b)
Open loop frequency response
c)
Close loop and open loop frequency responses
d)
None of the above
ANJU BALA answered • 13 hours agoAnswer: a
Explanation: Nichol’s chart is useful for the detailed study analysis of closed loop frequency response.
Explanation: Nichol’s chart is useful for the detailed study analysis of closed loop frequency response.
ATUL RANJAN asked • 4 hours agoAssertion (A) : It is necessary to keep the thyristor reverse biased for a finite period before a forward anode voltage can be reapplied.
Reason (R) : Once the SCR starts conducting an appreciable forward current, the gate has no control on it and the device can be brought back to the blocking state only by reducing the forward current level below that of the holding current.- a)Both A and R are true and R is the correct explanation of A.
- b)Both A and R are true but R is not the correct explanation of A
- c)A is true but R is false.
- d)A is false but R is true.
Correct answer is option 'B'. Can you explain this answer?
Assertion (A) : It is necessary to keep the thyristor reverse biased for a finite period before a forward anode voltage can be reapplied.
Reason (R) : Once the SCR starts conducting an appreciable forward current, the gate has no control on it and the device can be brought back to the blocking state only by reducing the forward current level below that of the holding current.
Reason (R) : Once the SCR starts conducting an appreciable forward current, the gate has no control on it and the device can be brought back to the blocking state only by reducing the forward current level below that of the holding current.
a)
Both A and R are true and R is the correct explanation of A.
b)
Both A and R are true but R is not the correct explanation of A
c)
A is true but R is false.
d)
A is false but R is true.
Amit Parashar asked • 6 hours agoA 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?
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
ABDUL KAIF asked • 6 hours agoA 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if- a)load torque is constant
- b)load torque increases with increase in speed
- c)load torque decreases with increase in speed
- d)either (a) or (b)
Correct answer is option 'B'. Can you explain this answer?
A 3 phase induction motor is fed by a 3 phase ac regulator to change the stator voltage. The variation in speed will be more if
a)
load torque is constant
b)
load torque increases with increase in speed
c)
load torque decreases with increase in speed
d)
either (a) or (b)
Digvijay Kumar asked • 7 hours agoIf the positive,-negative-and zero-sequence reactances of an element of a power system are 0.3, 0.3 and 0.8 pu respectively, then the element would be a- a)synchronous generator.
- b)synchronous motor.
- c)static load.
- d)transmission line.
Correct answer is option 'D'. Can you explain this answer?
If the positive,-negative-and zero-sequence reactances of an element of a power system are 0.3, 0.3 and 0.8 pu respectively, then the element would be a
a)
synchronous generator.
b)
synchronous motor.
c)
static load.
d)
transmission line.
Anurag Kumar asked • 8 hours agoA point is 10 mm above HP and 20 mm behind VP. Its top view will be?
Pinkesh Patel asked • 8 hours agoThe Voltage Source Inverter (VSI) shown in the figure below is switched to provide a 50Hz, square wave ac output voltage vo across an RL load. Reference polarity of vo and reference direction of the output current io 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?
The Voltage Source Inverter (VSI) shown in the figure below is switched to provide a 50Hz, square wave ac output voltage vo across an RL load. Reference polarity of vo and reference direction of the output current io 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
Suraj Kumar asked • 9 hours agoWhich of the following device can be used as a phase advancer ?- a)3-f induction motor squirrel cage type
- b)3-f induction motor slip ring type
- c)synchronous motor working at leading power factor
- d)synchronous motor working at lagging power factor
Correct answer is option 'C'. Can you explain this answer?
Which of the following device can be used as a phase advancer ?
a)
3-f induction motor squirrel cage type
b)
3-f induction motor slip ring type
c)
synchronous motor working at leading power factor
d)
synchronous motor working at lagging power factor
Gurpreet Singh asked • 9 hours agoConsider the following statements:In 8085 microprocessor, data - bus and addressbus are multiplexed in order to1. Increase the speed of microprocessor2. Reduce the number of pins.3. Connect more peripheral chips.Which of the above statement is/are correct?- a)1 only
- b)2 only
- c)2 and 3
- d)1, 2 and 3
Correct answer is option 'B'. Can you explain this answer?
Consider the following statements:
In 8085 microprocessor, data - bus and addressbus are multiplexed in order to
1. Increase the speed of microprocessor
2. Reduce the number of pins.
3. Connect more peripheral chips.
Which of the above statement is/are correct?
a)
1 only
b)
2 only
c)
2 and 3
d)
1, 2 and 3
SANKET KUMAR asked • 10 hours agoA network function contains only poles whose real-parts are zero or negative. The network is- a)always stable.
- b)stable, if the jω-axis poles are simple.
- c)stable, if the jω-axis poles are at most of multiplicity 2.
- d)always unstable.
Correct answer is option 'B'. Can you explain this answer?
A network function contains only poles whose real-parts are zero or negative. The network is
a)
always stable.
b)
stable, if the jω-axis poles are simple.
c)
stable, if the jω-axis poles are at most of multiplicity 2.
d)
always unstable.
ANSH GUPTA asked • 10 hours agoIn the given logic diagram the propagation delays of both the gates are 20 nsec each. The output y is at logic ‘1’ from a long time and at t = 0, the input x change from 0 to 1, so the output goes momentary to logic 0, determine the time required by the output to again maintain its level at logic 1.
- a)0 nsec
- b)20 nsec
- c)40 nsec
- d)60 nsec
Correct answer is option 'B'. Can you explain this answer?
In the given logic diagram the propagation delays of both the gates are 20 nsec each. The output y is at logic ‘1’ from a long time and at t = 0, the input x change from 0 to 1, so the output goes momentary to logic 0, determine the time required by the output to again maintain its level at logic 1.
a)
0 nsec
b)
20 nsec
c)
40 nsec
d)
60 nsec
Sunil Manjani asked • 10 hours agoFor a message signal m(t) = cos (2πfmt) and carrier of frequency fc, which of the following represents a single sideband (SSB) signal- a)cos (2 π fmt) cos (2 π fct)
- b)cos (2π fct)
- c)cos [2 π(fc+fm)t]
- d)[1 + cos (2 π fmt) cos (2 π fct)
Correct answer is option 'C'. Can you explain this answer?
For a message signal m(t) = cos (2πfmt) and carrier of frequency fc, which of the following represents a single sideband (SSB) signal
a)
cos (2 π fmt) cos (2 π fct)
b)
cos (2π fct)
c)
cos [2 π(fc+fm)t]
d)
[1 + cos (2 π fmt) cos (2 π fct)
is 2 times of transistor 
then determine the value of 
Assume 
of both the transistors are very large
PRIYANKA DEVI asked • 10 hours agoA magnetic ring has a mean circumference of 20 cm and a cross section of 20 cm2 and has 800 numbers of turns of wire. When the exciting current is 5A, the flux is 2 mWb. The relative permeability of iron is nearly- a)3.98
- b)398
- c)0.398
- d)39.8
Correct answer is option 'D'. Can you explain this answer?
A magnetic ring has a mean circumference of 20 cm and a cross section of 20 cm2 and has 800 numbers of turns of wire. When the exciting current is 5A, the flux is 2 mWb. The relative permeability of iron is nearly
a)
3.98
b)
398
c)
0.398
d)
39.8
Vikash Kumar asked • 10 hours agoA squirrel cage induction motor having a rated slip of 2% on full load has a starting torque of 50% of full load torque. The starting current is- a)two times the full load current
- b)four times the full load current
- c)five times the full load current
- d)equal to the full load current
Correct answer is option 'C'. Can you explain this answer?
A squirrel cage induction motor having a rated slip of 2% on full load has a starting torque of 50% of full load torque. The starting current is
a)
two times the full load current
b)
four times the full load current
c)
five times the full load current
d)
equal to the full load current
Potu Madhavi asked • 12 hours agoFor the same voltage drop, increasing the voltage of a distributor n-times.- a)reduces the x-section of the conductor by n times
- b)increases the x-section of the conductor by n times
- c)reduces the x-section of the conductor by n2 times
- d)increases the x-section of the conductor by n2 times.
Correct answer is option 'A'. Can you explain this answer?
For the same voltage drop, increasing the voltage of a distributor n-times.
a)
reduces the x-section of the conductor by n times
b)
increases the x-section of the conductor by n times
c)
reduces the x-section of the conductor by n2 times
d)
increases the x-section of the conductor by n2 times.
Digvijay Kumar asked • 13 hours agoThe load currents in short-circuit calculation are neglected because
1. short-circuit currents are much larger than load currents.
2. short-circuit currents are greatly out of phase with load currents.
Which of these statement(s) is/are correct ?- a)neither 1 nor 2
- b)2 alone
- c)1 alone
- d)1 and 2
Correct answer is option 'C'. Can you explain this answer?
The load currents in short-circuit calculation are neglected because
1. short-circuit currents are much larger than load currents.
2. short-circuit currents are greatly out of phase with load currents.
Which of these statement(s) is/are correct ?
1. short-circuit currents are much larger than load currents.
2. short-circuit currents are greatly out of phase with load currents.
Which of these statement(s) is/are correct ?
a)
neither 1 nor 2
b)
2 alone
c)
1 alone
d)
1 and 2
Bhavan Verma asked • 15 hours agoIf a feedback control system has its open loop transfer function G(s)H(s) = K/(s-2)(s2+3s+5) has the root locus plot which intersects the imaginary axis at s =0, then the value of K at this point will be - a)-5
- b)10
- c)5
- d)-10
Correct answer is option 'B'. Can you explain this answer?
If a feedback control system has its open loop transfer function G(s)H(s) = K/(s-2)(s2+3s+5) has the root locus plot which intersects the imaginary axis at s =0, then the value of K at this point will be
a)
-5
b)
10
c)
5
d)
-10
SATYA DEVI asked • 15 hours agoShunt reactors are needed- a)to boost receiving end voltage under light loads.
- b)to boost receiving end voltage under heavy loads.
- c)to bring down receiving end voltage at light loads.
- d)to bring down receiving end voltage under heavy loads.
Correct answer is option 'C'. Can you explain this answer?
Shunt reactors are needed
a)
to boost receiving end voltage under light loads.
b)
to boost receiving end voltage under heavy loads.
c)
to bring down receiving end voltage at light loads.
d)
to bring down receiving end voltage under heavy loads.
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