For the given the steady state voltage across the capacitor of 1F, 2F and 3F respectively are

1.  80V, 48V, 32V

2.   48V, 80V, 32V

3.   80V, 32V, 48V

4.  None of these

View Answer  
4
Correct Answer :

80V, 48V, 32V


Explanation :
No Explanation available for this question

What is the angle of

1.  48.40

2.  -48.40

3.  -900

4.   900

View Answer  
4
Correct Answer :

48.40


Explanation :
No Explanation available for this question

The circuit shown in figure is in response. Which of the following relations are true

1.  IR

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Q factor of parallel R-L-C circuit is 100. If inductor and capacitor are made 4 times and resistor is kept constant then the Q factor

1.  Become double

2.  Become half

3.  Becomes 4 times

4.  Remains unchanged

View Answer  
4
Correct Answer :

Remains unchanged


Explanation :
No Explanation available for this question

The power factor at a lower cut off frequency of series R-L-C circuit at resonance is

1.  0.5(lead)

2.  0.707(lag)

3.  0.5(lag)

4.  0.707(lead)

View Answer  
4
Correct Answer :

0.707(lead)


Explanation :
No Explanation available for this question

The impedance curve of a R-L-C network cuts the frequency axis only when the frequency is such that

1.  XL=XC

2.  XL=XC=0

3.  R=0 & XL=XC

4.  None of these

View Answer  
4
Correct Answer :

R=0 & XL=XC


Explanation :
No Explanation available for this question

The response of a network i(t)=Kte-αt for t≥0, where α is a +ve, the value of ‘t’ at which the i(t) will become maximum is

1.  α

2.   2α

3.  1/α

4.  α2

View Answer  
4
Correct Answer :

1/α


Explanation :
No Explanation available for this question

For the following network, the coefficient of couple (K) for which this network is in series resonance is

1.  Zero

2.   0.27

3.  1

4.  Indeterminate

View Answer  
4
Correct Answer :

0.27


Explanation :
No Explanation available for this question

Find the driving point impedance of the given circuit

1.  25s+15/5s+1

2.  25s+20/5s+2

3.  25s+20/5s+1

4.  25s+15/5s+2

View Answer  
4
Correct Answer :

25s+15/5s+1


Explanation :
No Explanation available for this question

Find the transfer function of the circuit shown in the given figure

1.  5s/1+5s

2.  2s/2+5s

3.  5S+1/5s+3

4.  10s/5+2s

View Answer  
4
Correct Answer :

5S+1/5s+3


Explanation :
No Explanation available for this question
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