The concentration of minority carriers in an extrinsic semiconductor under equilibrium is Options: A . &nbspDirectly proportional to the doping concentration B . &nbspInversely proportional to the doping concentration C . &nbspDirectly proportional to the intrinsic concentration D . &nbspInversely proportional to the intrinsic concentration

Answer: Option B For n-type p is minority carrier concentration np = n 2 np = constant Since n i is constant p âˆ (1/n) Thus p is inversely proportional to n.

The concentration of m

Question

The concentration of minority carriers in an extrinsic semiconductor under equilibrium is

Options:

A . Directly proportional to the doping concentration

B . Inversely proportional to the doping concentration

C . Directly proportional to the intrinsic concentration

D . Inversely proportional to the intrinsic concentration

Answer: Option B

For n-type p is minority carrier concentration
np = n²
np = constant Since n_i is constant
p âˆ (1/n)
Thus p is inversely proportional to n.

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