Explore topic-wise MCQs in Electronic Devices and Circuits.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

Ripple factor of a half wave rectifier is_________(Im is the peak current and RL is load resistance)

A. 1.414
B. 1.21
C. 1.4
D. 0.48
Answer» C. 1.4
Discussion
2.

If the input frequency of a half wave rectifier is 100Hz, then the ripple frequency will be_________

A. 150Hz
B. 200Hz
C. 100Hz
D. 300Hz
Answer» D. 300Hz
Discussion
3.

Transformer utilisation factor of a half wave rectifier is _________

A. 0.234
B. 0.279
C. 0.287
D. 0.453
Answer» D. 0.453
Discussion
4.

The diode in a half wave rectifier has a forward resistance RF. The voltage is Vmsin t and the load resistance is RL. The DC current is given by _________

A. V<sub>m</sub>/ 2R<sub>L</sub>
B. V<sub>m</sub>/(R<sub>F</sub>+R<sub>L</sub>)
C. 2V<sub>m</sub>/
D. V<sub>m</sub>/R<sub>L</sub>
Answer» C. 2V<sub>m</sub>/
Discussion