Explore topic-wise MCQs in Analog Circuits.

This section includes 20 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.

In a bridge full wave rectifier, the input sine wave is 250sin100t. The output ripple frequency will be_________

A. 50Hz
B. 200Hz
C. 100Hz
D. 25Hz
Answer» D. 25Hz
Discussion
2.

Number of diodes used in a full wave bridge rectifier is_________

A. 1
B. 2
C. 3
D. 4
Answer» E.
Discussion
3.

In a bridge full wave rectifier, the input sine wave is 40sin100t. The average output voltage is_________

A. 22.73V
B. 16.93V
C. 25.47V
D. 33.23V
Answer» D. 33.23V
Discussion
4.

Efficiency of bridge full wave rectifier is_________

A. 81.2%
B. 50%
C. 40.6%
D. 45.33%
Answer» B. 50%
Discussion
5.

If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut in voltage os 0.7, then the peak inverse voltage on diode will be_________

A. 4.3V
B. 9.3V
C. 8.6V
D. 3.6V
Answer» E.
Discussion
6.

Transformer utilization factor of bridge full wave rectifier _________

A. 0.623
B. 0.812
C. 0.693
D. 0.825
Answer» C. 0.693
Discussion
7.

If input frequency is 50Hz then ripple frequency of bridge full wave rectifier will be equal to_________

A. 200Hz
B. 50Hz
C. 45Hz
D. 100Hz
Answer» E.
Discussion
8.

Ripple factor of bridge full wave rectifier is?

A. 1.414
B. 1.212
C. 0.482
D. 1.321
Answer» D. 1.321
Discussion
9.

DC power output of bridge full wave rectifier is equal to (Im is the peak current and RL is the load resistance).

A. 2 Im2RL
B. 4 Im2RL
C. Im2RL
D. Im2 RL/2
E. .a) 2 Im2RLb) 4 Im2RLc) Im2RLd) Im2 RL/2
Answer» C. Im2RL
Discussion
10.

DC average current of a bridge full wave rectifier (where Im is the maximum peak current of input).

A. 2Im
B. Im
C. Im/2
D. 1.414Im
Answer» C. Im/2
Discussion
11.

IN_AN_BRIDGE_FULL_WAVE_RECTIFIER,_THE_INPUT_SINE_WAVE_IS_250SIN100_¬¨‚Àˬ¨‚Ä¢¬¨√ÜT._THE_OUTPUT_RIPPLE_FREQUENCY_OF_RECTIFIER_WILL_BE_________?$#

A. 50Hz
B. 200Hz
C. 100Hz
D. 25Hz
Answer» D. 25Hz
Discussion
12.

Number of diodes used in a full wave bridge rectifier is _______?

A. 1
B. 2
C. 4
D. 6
Answer» D. 6
Discussion
13.

In an bridge full wave rectifier, the input sine wave is 40sin100 ·¥®t. The average output voltage is ________$

A. 22.73V
B. 16.93V
C. 25.47V
D. 33.23V
Answer» D. 33.23V
Discussion
14.

Efficiency of bridge full wave rectifier is _________

A. 81.2%
B. 50%
C. 40.6%
D. 45.3%
Answer» B. 50%
Discussion
15.

If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut-in voltage is 0.7, then peak inverse voltage on diode will be _________

A. 4.3V
B. 5.7V
C. 10V
D. 5V
Answer» E.
Discussion
16.

Transformer utilization factor of a bridge full wave rectifier is equal to _________

A. 0.62
B. 0.69
C. 0.81
D. 0.43
Answer» D. 0.43
Discussion
17.

If input frequency is 50Hz then ripple frequency of bridge full wave rectifier will be equal to _________

A. 200Hz
B. 50Hz
C. 45Hz
D. 100Hz
Answer» E.
Discussion
18.

Ripple factor of bridge full wave rectifier is _________

A. 1.414
B. 1.212
C. 0.482
D. 1.321
Answer» D. 1.321
Discussion
19.

DC power output of bridge full wave rectifier is equal to _________

A.
B. (2I<sub>m</sub><sup>2</sup>/ ·¥®<sup>2</sup>)R<sub>L</sub>
C. (4I<sub>m</sub><sup>2</sup>/ ·¥®<sup>2</sup>)R<sub>L</sub>
D. (I<sub>m</sub><sup>2</sup>/ ·¥®<sup>2</sup>)R<sub>L</sub>
Answer» C. (4I<sub>m</sub><sup>2</sup>/ ¬¨‚à묨‚Ä¢¬¨√Ü<sup>2</sup>)R<sub>L</sub>
Discussion
20.

DC average current of a bridge full wave rectifier is _________

A.
B. 2I<sub>m</sub>/·¥®
C. I<sub>m</sub>/·¥®
D. I<sub>m</sub>/2·¥®
Answer» B. 2I<sub>m</sub>/¬¨‚à묨‚Ä¢¬¨√Ü
Discussion