Electronic Devices and Circuits - Section 1 (7)

Directions to Solve

49.

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

A.	True
B.	False

Answer: Option B

Explanation:

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

50.

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

Answer: Option D

Explanation:

Intrinsic material has equal number of holes and electrons.