Explore topic-wise MCQs in Analog Circuits.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Analog Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of these is not a type of monostable multivibrator?

A. Schmitt trigger as a monostable multivibrator
B. Emitter coupled monostable multivibrator
C. Using an op-amp
D. 555 Timer as a monostable multivibrator
Answer» B. Emitter coupled monostable multivibrator
2.

The monostable multivibrator has one quasi-stable state and one unknown state.

A. True
B. False
Answer» C.
3.

Given that the feedback factor is 0.6, find the time period of the circuit below.

A. 0.331 seconds
B. 0.303 seconds
C. 0.276 seconds
D. 0.606 seconds
Answer» C. 0.276 seconds
4.

How can the duty cycle be changed for an astable multivibrator?

A. By adding another capacitor to the circuit
B. By adding diodes to the circuit
C. By adding an inductor to the circuit
D. The duty cycle cannot be changed
Answer» C. By adding an inductor to the circuit
5.

Consider the following circuit and find the time period of the output of the multivibrator.

A. 0.436 ms
B. 0.436 seconds
C. .5 ms
D. 5.22 seconds
Answer» C. .5 ms
6.

Given that the feedback factor of an astable multivibrator is 0.3, find the frequency of the output.

A. 22Hz
B. 20kHz
C. 20Hz
D. 40Hz
Answer» D. 40Hz
7.

What is the duty cycle of the output of an astable multivibrator?

A. 50%
B. 100%
C. 75%
D. 55%
Answer» B. 100%
8.

In an astable multivibrator using an op-amp, the feedback factor is 0.5 and the supply voltage is ±12V. What are the quasi-stable output state and the input to the non-inverting terminal?

A. Quasi-stable output = ±12V, Input to non inverting terminal = ±12V
B. Quasi-stable output = ±6V, Input to non inverting terminal = ±12V
C. Quasi-stable output = ±12V, Input to non inverting terminal = ±6V
D. Quasi-stable output = ±12V, Input to non inverting terminal = 0V
Answer» D. Quasi-stable output = ±12V, Input to non inverting terminal = 0V
9.

Given the circuit below, find the feedback factor.

A. 3
B. 1/3
C. 4
D. 1/4
Answer» E.
10.

What is a square wave generator?

A. Flip-flop
B. Bi-stable multivibrator
C. Astable multivibrator
D. Monostable multivibrator
Answer» D. Monostable multivibrator