The period of the output waveform for the circuit of figure shown, when triggered by a negative pulse is

1.  0.75 ms

2.  0.825 ms

3.  0.525 ms

4.  1.5 ms

View Answer  
4
Correct Answer :

0.825 ms


Explanation :
No Explanation available for this question

The current waveform in a pure resistor at 10 is shown in the given figure. Power dissipated in the resistor is

1.  7.29 W avard

2.  52.4 W

3.  135 W

4.  270 W

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4
Correct Answer :

270 W


Explanation :
No Explanation available for this question

The resonant frequency of the Wein bridge oscillator of given in figure, is

1.  19597 Hz

2.  1592.35 Hz

3.  3120.7 Hz

4.  4777 Hz

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4
Correct Answer :

1592.35 Hz


Explanation :
No Explanation available for this question

The Thevenin impedance across the terminal AB of the figure is

1.  10/3Ω

2.  20/9Ω

3.  13/4Ω

4.  11/5Ω

View Answer  
4
Correct Answer :

11/5Ω


Explanation :
No Explanation available for this question

For a class B amplifier providing a 20-V peak signal to 16 load and a power supply of Vcc = 30 V, the efficiency will be

1.  52.3%

2.  25.65%

3.  75%

4.  78.6%

View Answer  
4
Correct Answer :

52.3\%


Explanation :
No Explanation available for this question

The response of an initially relaxed linear circuit to a signal Vs is e-2t u (t). if the signal is changed to (Vs + 2 Dvs/dt), the response will be

1.  -4e-2t u(t)

2.  -3e-2t u(t)

3.  4e-2t u(t)

4.  5e-2t 4(t)

View Answer  
4
Correct Answer :

-3e-2t u(t)


Explanation :
No Explanation available for this question

A circuit using an OPAMP shown below, It has

1.  voltage series feedback

2.  voltage shunt feedback

3.  current shunt feedback

4.  current series feedback

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4
Correct Answer :

voltage shunt feedback


Explanation :
No Explanation available for this question

The use of a capacitor filter in a rectifier circuit gives satisfactory performance only when the load is

1.  current is high

2.  current is low

3.  voltage is low

4.  voltage is high

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4
Correct Answer :

voltage is low


Explanation :
No Explanation available for this question

For the unity feedback system shown below, the steady state error, when the input is R=3/S-1/S2+1/S2 would be

1.  1/4

2.   0

3.  ∞

4.  1/2

View Answer  
4
Correct Answer :

1/4




Explanation :
No Explanation available for this question

A voltage source with an internal resistance Rs supplies power to a load RL. The power delivered to the load varies with RL as

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
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