Find limt→∞ i1 (t)

1.   3.33A

2.  4.33A

3.  5.33A

4.  None

View Answer  
4
Correct Answer :

3.33A


Explanation :
No Explanation available for this question

If the input is 2δ(t)+4et, then what will be the output

1.  4e-tu(t)

2.  2e3tu(t)+δ(t)

3.  4e3tu(t)

4.  4e-3tu(t)

View Answer  
4
Correct Answer :

4e-3tu(t)


Explanation :
No Explanation available for this question

If V(s) represents the Laplace transform of V9t) in the network shown in the given figure V9s) is [Trake K1=3]

1.  10(s+1)2/s(3s+2)

2.  -10(s-1)2/s(2s+2)

3.  10(s+1)2/s(2s+2)

4.  -10(s-1)2/s(3s+2)

View Answer  
4
Correct Answer :

10(s+1)2/s(3s+2)


Explanation :
No Explanation available for this question

What is final value of v(t)

1.  5V

2.  -5V

3.  10V

4.  None of these

View Answer  
4
Correct Answer :

5V


Explanation :
No Explanation available for this question

The network shown in the figure consists of only 2 elements. The response for the unit step excitation is i(t)=e-3tA, then the elements are

1.  R=1 C=1/3F in series

2.  R=1? C=1/3F in parallel

3.  R=1? L=1/3H in series

4.  R=1? L=1/3H in parallel

View Answer  
4
Correct Answer :

R=1 C=1/3F in series


Explanation :
No Explanation available for this question

For the circuit shown below determine the value of inductance and resistance for resonance if Q=50 and f0=175KHz, where BW is bandwidth of circuit. So which of the following is correct

1.  L=2.58mH, R=56.8, BW=3.5KHz

2.  L=2.58H, R=56.8K?, BW=3,5MHz

3.  L=2.58mH, R=56.8m?, BW=3.5Hz

4.   None of these

View Answer  
4
Correct Answer :

L=2.58mH, R=56.8, BW=3.5KHz


Explanation :
No Explanation available for this question

For the circuit shown in figure, the switch is in position 1 for long time and then it is moved to position 2 at t=0. What is the value of iL(0+), v(0+) at t=0+

1.  4A, -48V

2.  4A, 48V

3.  -4A, -48V

4.   -4A, 48V

View Answer  
4
Correct Answer :

4A, -48V


Explanation :
No Explanation available for this question

Time constant of the following circuit is

1.  13.5sec

2.  22.5sec

3.  20.25sec

4.  15sec

View Answer  
4
Correct Answer :

15sec


Explanation :
No Explanation available for this question

In the following circuit, the switch is thrown from position 1 to 2 at t=0, after being at position 1 for a long time. The value of d2i/dt(0+) is

1.  800V/sec2

2.  -800V/sec2

3.  400V/sec2

4.   None of these

View Answer  
4
Correct Answer :

-800V/sec2


Explanation :
No Explanation available for this question

In the given circuit if V is taken as reference phasor then which of the following is true

1.  None of these

2.  I leads from V and IL

3.   I lags from V

4.   I and V are in phase

View Answer  
4
Correct Answer :

I leads from V and IL


Explanation :
No Explanation available for this question
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