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.

Consider a peak rectifier fed by a 60-Hz sinusoid having a peak value Vp = 100 V. Let the load resistance R = 10 k . Calculate the fraction of the cycle during which the diode is conducting

A. 1.06 %
B. 2.12 %
C. 3.18%
D. 4.24%
Answer» D. 4.24%
Discussion
2.

A simple diode rectifier has ripples in the output wave which makes it unsuitable as a DC source. To overcome this one can use

A. A capacitor in series with a the load resistance
B. A capacitor in parallel to the load resistance
C. Both of the mentioned situations will work
D. None of the mentioned situations will work
Answer» C. Both of the mentioned situations will work
Discussion
3.

For a half-wave rectifier having diode voltage VD and supply input of VI, the diode conducts for 2 , where is given by

A. tan<sup> -1</sup> V<sub>D</sub>/V<sub>I</sub>
B. tan<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> V<sub>I</sub>
C. sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub>
D. sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> V<sub>I</sub>
Answer» D. sin<sup>-1</sup> V<sub>D</sub>/V<sub>I</sub> V<sub>I</sub>
Discussion
4.

Which of the following isn t a type of rectifier?

A. Precision Half-wave Rectifier
B. Bridge Rectifier
C. Peak Rectifier
D. None of the mentioned
Answer» E.
Discussion