i need this electronic devices and circuits interview questions and answers pdf. please provide this

electronic devices and circuits interview questions and answers pdf


1. At room temperature the current in an intrinsic semiconductor is due to

A. holes
B. electrons
C. ions
D. holes and electrons

2. Work function is the maximum energy required by the fastest electron at 0 K to escape from the metal surface.

A. True B. False

3. The most commonly used semiconductor material is

A. silicon
B. germanium
C. mixture of silicon and germanium
D. none of the above

4. In which of these is reverse recovery time nearly zero?

A. Zener diode
B. Tunnel diode
C. Schottky diode
D. PIN diode