First slide

P-N junction diode

Question

The barrier potential of a p-n junction depends on
type of semiconductor material
amount of doping
temperature
which one of the following is correct?

Easy

A

(1) and (2) only
B

(2) only
C

(2) and (3) only
D

(1), (2) and (3)

Solution

The barrier potential depends on type of semiconductor (For Si, $v_{b}$ = 0.7 and for Ge $v_{b}$ = 0.3), amount of doping and also on the temperature.

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