Explore topic-wise MCQs in Analog Circuits.

This section includes 5 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 250sin100 t. The output ripple frequency of rectifier 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. 4
D. 6
Answer» D. 6
Discussion
3.

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
4.

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

A. (2I<sub>m</sub><sup>2</sup>/ <sup>2</sup>)R<sub>L</sub>
B. (4I<sub>m</sub><sup>2</sup>/ <sup>2</sup>)R<sub>L</sub>
C. (I<sub>m</sub><sup>2</sup>/ <sup>2</sup>)R<sub>L</sub>
D. (I<sub>m</sub><sup>2</sup>/2 <sup>2</sup>)R<sub>L</sub>
Answer» C. (I<sub>m</sub><sup>2</sup>/ <sup>2</sup>)R<sub>L</sub>
Discussion
5.

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

A. 2I<sub>m</sub>/
B. I<sub>m</sub>/
C. I<sub>m</sub>/2
D. 1.414I<sub>m</sub>/
Answer» B. I<sub>m</sub>/
Discussion