The valency of an impurity atom added to germanium crystal in order to convert it into a P -type semiconductor is

Question

The valency of an impurity atom added to germanium crystal in order to convert it into a P -type semiconductor is (A) 6 (B) 5 (C) 4 (D) 3

Tardigrade Admin · Accepted Answer

Ge +Trivalent impurity arrow P -type semiconductor

Q. The valency of an impurity atom added to germanium crystal in order to convert it into a $P$ -type semiconductor is