Electronic Devices and Circuits - Engineering

Q1:

An intrinsic semiconductor (intrinsic electron density = 1016 m-3) is deped with donors to a level of 1022 m-3. What is the hole density assuming all donors to be ionized?

A 107 m-3

B 108 m-3

C 1010 m-3

D 106 m-3

ANS:D - 106 m-3

C is the correct option i.e ni^2 = Na*Nd.