Electronic Devi...

Hole is a vacancy or lack of an electron and can travel through the semiconductor material. It can

The total current in a semiconductor is

A p-type material is electrically

In the case of metals the valence and conduction bands have

In n-type semiconductor the total number of conduction electrons n_e is due to the,

A radio or a TV set, which uses valves, do not operate immediately when it is switched on; whereas a set containing only transistors operates immediately because

Basic materials used in the present solid state electronic devices like diode, transistor, ICs, etc are

Choose the false statement.

The principle of LASER action involves