The region of convergent (ROC) for the sequence X[n]=bnu(n)+b-nu(-n-1) is

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

In the network shown below, there is no initial condition across L and C. The switch is closed at t=0. The IL1(0+) is

1.  (1/3) A

2.   0 A

3.   (1/3) A

4.  (1/4) A

View Answer  
4
Correct Answer :

0 A


Explanation :
No Explanation available for this question

The switch ‘S’ in the circuit is kept open for a long time, before it is closed at t=0. The values of VL(0+) and IL(0+) are

1.  60V, -0.3A

2.  150V, 0A

3.  0V, .3A

4.  90V, -0.3A

View Answer  
4
Correct Answer :

60V, -0.3A


Explanation :
No Explanation available for this question

The value of iL1(∞) will be

1.  (1/3) A

2.  (1/2) A

3.   0 A

4.  (1/4) A

View Answer  
4
Correct Answer :

(1/3) A


Explanation :
No Explanation available for this question

The value of Vc(0+) will be

1.  0 V

2.  (2/3) V

3.   1 V

4.  (3/2) V

View Answer  
4
Correct Answer :

0 V


Explanation :
No Explanation available for this question

The value of Vc(∞) will be

1.  1 V

2.   (2/3) V

3.  0 V

4.   (3/2) V

View Answer  
4
Correct Answer :

(2/3) V


Explanation :
No Explanation available for this question

The response of circuit drawn above is The transfer function of the system is

1.   S2/S2+2S+100

2.   S2+2S/ S2+2S+100

3.  S+10/ S2+2S+100

4.  S/ S2+2S+100

View Answer  
4
Correct Answer :

S/ S2+2S+100


Explanation :
No Explanation available for this question

For the circuit given in the figure V0=2V and inductor is initially relaxed. The switch S is closed at t=0. The value of V at t=0+ is

1.  3 V

2.   2 V

3.   0.5 V

4.   0.25 V

View Answer  
4
Correct Answer :

2 V


Explanation :
No Explanation available for this question

For the circuit shown below steady state is reached with S open. S is closed at t-0. The value of VL(0+) is

1.   0

2.  6

3.  -6

4.   2

View Answer  
4
Correct Answer :

-6


Explanation :
No Explanation available for this question

The impulse response of an initially released linear system is e-2tu(t). To produce a response of te-2tu(t), the input is equal to

1.  2 e-tu(t)

2.  1/2e-2tu(t)

3.  e-2tu(t)

4.  e-tu(t)

View Answer  
4
Correct Answer :

e-2tu(t)


Explanation :
No Explanation available for this question
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