Explore topic-wise MCQs in Physics.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is used as a voltage regulator?

A. Photodiode
B. Solar cell
C. LED
D. Zener diode
Answer» E.
2.

The I-V characteristics of a LED are similar to that of Si junction diode.

A. True
B. False
Answer» B. False
3.

Identify the one on which no external bias is applied.

A. Zener diode
B. Solar cell
C. Photodiode
D. Light-emitting diode
Answer» C. Photodiode
4.

Which of the following converts light energy to electric current?

A. LED
B. Zener diode
C. Photodiode
D. Solar cell
Answer» D. Solar cell
5.

Which of the following is operated in forward bias?

A. LED
B. Zener diode
C. Photodiode
D. Solar cell
Answer» B. Zener diode