Question

Resistivity of N-type germanium crystal is 2ohm.
Velocity of electron per unit electric field is 0.4 (SI
unit). Number density of charge carrier is:
(1) 6.8 x 10^18/m^3
(2) 6.3 x 10^18/m^3
(3) 5.2 x 10^16/m^3
(4) 7.8 x 10^18/m^3​

Answer 1

I hope this helps.....

Please mark the BRAINLIEST if it helps