Electronic Devices and Circuits - Engineering

Q1:

The intrinsic carrier concentration of silicon sample at 300 K is 1.5 x 1016/m3. If after doping, the number of majority carriers is 5 x 1020/m3. The minority carrier density is

A 4.5 x 1011/m3

B 3.33 x 104/m3

C 5 x 1020/m3

D 3 x 10-5/m3

ANS:A - 4.5 x 1011/m3