Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:

Which of the following statements are correct:

A. In semiconductor diodes carriers are generated by photo-excitation.
B. When the photo diode is illuminated with light with energy (E) > Energy gap (Eg) of the semiconductor, then electron-hole pairs are generated.
C. Photovoltaic devices convert electricity into optical radiation.
D. Photodiode can be used as a photodetector to detect optical signal.
E. Zener diode specification should be taken as per the required output voltage.

Choose the correct answer from the following options given below:

Options:

A, B and C only

B, C and E only

A, B, D and E only

A, C and D only

Correct Answer:

A, B, D and E only

Explanation:

The correct answer is Option (3) → A, B, D and E only