- a)b
- b)a
- c)b/a
- d)a/b

Correct answer is option 'A'. Can you explain this answer?

Rohit Kaushal answered • 21 hours ago

Vikas Pandey asked • 1 hour ago

The PSD and the power of a signal *g*(*t*) are respectively S_{g}(ω) and P_{g}, the PSD and the power of signal *a*.*g*(*t*) are respectively

- a)
*a*S^{2}_{g}(ω) and*a*^{2}P_{g} - b)
*a*S_{g}^{2}(ω) and*a*P_{g} - c)
*a*S_{g}(ω) and*a*^{2}P_{g} - d)
*a*S_{g}(ω) and*a*P_{g}

Correct answer is option 'A'. Can you explain this answer?

If saturation currents of 2 diodes are 1 µA and 2 µA.

If break down voltages of diode are same and are equal to 100 volt, what is value of current in D1.

If break down voltages of diode are same and are equal to 100 volt, what is value of current in D1.

Q.

If V = 90 volt

- a)0 µA
- b)1 µA
- c)1.5 µA
- d)2 µA

Correct answer is option 'B'. Can you explain this answer?

Rohit Kaushal answered • 22 hours ago

Saturation current is maximum current , which diode can handle , so 2uA current can't pass through 1uA diode , but vice versa is true. , the voltage drop across 2uA diode will be adjusted to pass 1uA current through it.

Pothala Padmaja asked • 2 hours ago

A region of negative differential resistance is observed in the current voltage characteristics

of a silicon PN junction if

of a silicon PN junction if

- a)Both the P-region and the N-region are heavily doped
- b)The N-region is heavily doped compared to the P-region
- c)The P-region is heavily doped compared to the N-region
- d)An intrinsic silicon region is inserted between the P-region and the N-region

Correct answer is option 'A'. Can you explain this answer?

Anubhav Singh asked • 2 hours ago

A source generates 4 messages. The entropy of the source will be maximum when

- a)all probabilities are equal
- b)one of the probabilities equal to 1 and two others are zero
- c)the probabilities are 1/2, 1/4 and 1/2
- d)the two of the probabilities are 1/2 each and other zero

Correct answer is option 'A'. Can you explain this answer?

Raveen 076 asked • 2 hours ago

Rafiq Ahmed asked • 3 hours ago

In the circuit shown below, the voltage source has been connected for a long time enough for steady state condition to be reached. At time t=0, switch S is opened. Then open circuit voltage across AB is

- a)V.e
^{- (R / L)} - b)V + V.e
^{-R/L} - c)V
- d)o

Correct answer is option 'C'. Can you explain this answer?

Spiritiya Fdo asked • 4 hours ago

A silicon pn junction with doping profile of N_{a } =10^{16 } cm^{-3} and N_{d} =10 ^{15} cm^{-3} has a cross sectional area of 10^{-2} cm^{2}. The length of the p - region is 2 mm and length of the n - region is 1 mm. The approximately series resistance of the diode is

- a)62Ω
- b)43Ω
- c)72Ω
- d)81Ω

Correct answer is option 'C'. Can you explain this answer?

Padmaja Pothala asked • 5 hours ago

The pole-zero diagram of a causal and stable discrete-time system is shown in the figure. The

zero at the origin has multiplicity 4. The impulse response of the system is h[n]. If h[0] = 1,

we can conclude

zero at the origin has multiplicity 4. The impulse response of the system is h[n]. If h[0] = 1,

we can conclude

- a)h[n] is real for all n
- b)h[n] is purely imaginary for all n
- c)h[n] is real for only even n
- d)h[n] is purely imaginary for only odd n

Correct answer is option 'C'. Can you explain this answer?

Prasad Depp asked • 5 hours ago

In each question below are given two statements followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Q.

Statements : All planets are moons All moons are stars.

Conclusions : I. All moon are planets II. All planets are stars

Conclusions : I. All moon are planets II. All planets are stars

Aslesha Varupula asked • 6 hours ago

Anshu asked • 6 hours ago

The Eddy current damping is not used in electrodynamometer type instrument as

- a)Eddy current losses are higher
- b)Mass of moving system

becomes higher - c)The magnetic field produced by

eddy currents introduce error - d)Operating field is weak due to

air cored.

Correct answer is option 'D'. Can you explain this answer?

Ramya Srivalli asked • 6 hours ago

In an unbiased P-N Junction zero current implies that

- a)The potential biases has disappeared
- b)No. of holes diffusing from P-side to N-side equals the no. of electrons diffusing from N-side to P-side
- c)Total current crossing Junction from P-side to N-side equals the total current crossing Junction from N-side top-side
- d)No carriers cross the Junction

Correct answer is option 'C'. Can you explain this answer?

Manjeet Verma asked • 7 hours ago

If wave form is given only for I period then

- a)an even function with half wave symmetry.
- b)An odd function with half wave symmetry.
- c)an even function with no half wave symmetry.
- d)An odd function with no half wave symmetry.

Correct answer is option 'B'. Can you explain this answer?

Yasu Vali asked • 9 hours ago

Choose the grammatically correct sentence

- a)She is smart enough to take care of herself in Bombay
- b)She is enough smart to take care of oneself in Bombay
- c)She is enough smart to take care of herself in Bombay
- d)She is smart enough to take care of oneself in Bombay

Correct answer is option 'A'. Can you explain this answer?

Harshada Watkar asked • 10 hours ago

Read each sentence to find out whether there is any error in it. The error, if any, will be in one part of the sentence. The number of that part is the answer. If there is no error, the answer is (d) (Ignore errors of punctuation, if any).

Q.

It was very unfortunate [1] / that he was deprived [2] / from the very thing which he delighted most [3].

- a)1
- b)2
- c)3
- d)No error

Correct answer is option 'C'. Can you explain this answer?

Tresa Sunny asked • 11 hours ago

Two p^{+} n silicon junction is reverse biased at V_{R} = 5 V. The impurity doping concentration in junction A are N_{a} = 10^{18 }cm^{-3}and N_{d} = 10 ^{15} cm^{-3}, and those in junction B are N_{a} = 10^{18} cm^{-3 } and N_{d }= 10^{16} cm^{-3}. The ratio of the space charge width is

- a)4.36
- b)9.8
- c)19
- d)3.13

Correct answer is 'D'. Can you explain this answer?

Harshada Watkar asked • 19 hours ago

A factory is to commission two production lines. Production line 1 is to use existing technology. Production line 2 is to use the latest innovations is technology and, while promising to achieve considerable advances in productivity, it will take longer to start and is likely to experience teething problems. Graph indicates the productive record of each product line. Refer to graph to answer the following

I. Can the duration of reported breakdown be established?

II. Can the loss of production be quantified?

II. Can the loss of production be quantified?

Vinitha Royal asked • 19 hours ago

Match List-I with List-ll and select the correct answer using the codes given below the lists:

List-I

A. Immersion rod

B. Air conditioner

C. Automatic washing machine

D. Automatic control of traffic

List-ll

1. Open loop control system

2. Closed loop control system

3. Neither a closed loop nor an open loop system

List-I

A. Immersion rod

B. Air conditioner

C. Automatic washing machine

D. Automatic control of traffic

List-ll

1. Open loop control system

2. Closed loop control system

3. Neither a closed loop nor an open loop system

- a)a
- b)b
- c)c
- d)d

Correct answer is option 'D'. Can you explain this answer?

Aditi Garg asked • yesterday

For silicon the critical electric field at breakdown is approximately E_{crit } = 4 x 10^{5 }V cm. For the breakdown voltage of 25 V, the maximum n - type doping concentration in an abrupt p^{+} n - junction is

- a)2 x 10
^{16}cm^{-3} - b)4 x 10
^{16}cm^{-3} - c)2 x 10
^{18 }cm^{-3} - d)4 x 10
^{18}cm^{-3}

Correct answer is option 'A'. Can you explain this answer?

Anusri Kothuri As asked • yesterday

In circuit given if both Transistors have same VT what is the approximate value of highest possible output voltage vout if v_{h}, can range from 0 to V_{DD}, it is assumed that 0 < v_{T} < V_{DD}

- a)V
_{DD} - b)v
_{T} - c)V
_{DD - }v_{T} - d)0

Correct answer is option 'C'. Can you explain this answer?

Mounika Velaga asked • yesterday

The doping concentrations of a silicon pn junction are N_{d =} 10^{16} cm^{-3} and N_{a }= 8 x 10^{15} cm^{-3}. The cross-sectional area is 10^{-3} cm^{2}. The minority carrier lifetimes are τ_{n0} = 1μs and τ_{p0 }= 0.1μs. The minority carrier diffusion coefficients are D_{n} = 35 cm^{2}/ s and D_{p} = 10 cm^{2}/ s . The total number of excess electron in the p - region, if applied forward bias is V_{a} = 0.5 V, is

Shubham .. asked • yesterday

A joint sample space for two random variable X and Y has four elements (1, 1), (2, 2), (3, 3) and (4, 4). Probabilities of these elements are 0.1, 0.35, 0.05 and 0.5 respectively.

Que: The probability of the event {X ≤ 2.5, Y ≤ 6} is

- a)0.45
- b)0.50
- c)0.55
- d)0.60

Correct answer is option 'A'. Can you explain this answer?

Suchithra Venkatesan asked • yesterday

“If you are looking for a history of India, or for an account of the rise and fall of the British Raj, or for the reason of the cleaving of the subcontinent into two mutually antagonistic parts and the effects this mutilation will have in the respective section, and ultimately on Asia, you will not find it in these pages; for though I have spent a lifetime in the country. I lived too near the seat of events, and was too intimately associated with the actors, to get the perspective needed for the impartial recording of these matters”.

Here, the word ‘antagonistic’ is closest in meaning to

- a)impartial
- b)argumentative
- c)separated
- d)hostile

Correct answer is option 'D'. Can you explain this answer?

Keshav Raj asked • 2 days ago

With 10 V dc connected at port A in the linear nonreciprocal two-port network

shown below, the following were observed :

shown below, the following were observed :

(i) 1Ω connected at port B draws a current of 3A

(ii) 2.5 Ω connected at port B draws a current of 2A

(ii) 2.5 Ω connected at port B draws a current of 2A

With 10 V dc connected at port A, the current drawn by 7 Ω connected at port B

is

is

- a)3/7 A
- b)5/7 A
- c)1A
- d)9/7 A

Correct answer is option 'C'. Can you explain this answer?

Vandana Mamman asked • 2 days ago

A semiconductor with intrinsic carrier concentration 1 × 10^{10} cm^{-3} at 300°K has both valence and conduction band effective densities of states N_{C} and N_{V} equal to 10^{19} cm^{-3}. The band gap E_{g} is _____ eV.

Correct answer is between '0.8,1.1'. Can you explain this answer?

Anumala Krishna Vamsi asked • 2 days ago

A binary symmetric channel (BSC) has a transition probability of 1/8. If the

binary symbol X is such that P(X = 0) = 9/10, then the probability of error for

an optimum receiver will be

binary symbol X is such that P(X = 0) = 9/10, then the probability of error for

an optimum receiver will be

- a)a
- b)b
- c)c
- d)d

Correct answer is option 'A'. Can you explain this answer?

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