19. Which of the following is true about charge acquired by p-type semiconductors ?
(a) positive
(b) neutral
(c) negative
(d) depends on concentration of p impurity
Dear student,
A p-type semiconductor (p for Positive) is obtained by carrying out a process of doping by adding a certain type of atoms (acceptors) to the semiconductor in order to increase the number of free charge carriers (in this case positive holes).The purpose of p-type doping is to create an abundance of holes.
A p-type semiconductor (p for Positive) is obtained by carrying out a process of doping by adding a certain type of atoms (acceptors) to the semiconductor in order to increase the number of free charge carriers (in this case positive holes).The purpose of p-type doping is to create an abundance of holes.
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