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Question
A n-type and p-type semiconductor can be obtained by doping pure silicon with
A n-type and p-type semiconductor can be obtained by doping pure silicon with
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Solution
The correct option is C Phosphorous and Indium
When a pure silicon is doped with a pentavalent impurity elements like Phosphorous, Arsenic, Antimony etc, n−type semiconductor is obtained.
The free electrons are the majority charge carriers in n− type semiconductor.
Likewise, when a pure silicon is doped with a trivalent impurity elements like Boron, Aluminium, Gallium, Indium etc, p−type semiconductor is obtained.
The holes are the majority charge carriers in p− type semiconductor.
Hence, option (C) is correct.
When a pure silicon is doped with a pentavalent impurity elements like Phosphorous, Arsenic, Antimony etc, n−type semiconductor is obtained.
The free electrons are the majority charge carriers in n− type semiconductor.
Likewise, when a pure silicon is doped with a trivalent impurity elements like Boron, Aluminium, Gallium, Indium etc, p−type semiconductor is obtained.
The holes are the majority charge carriers in p− type semiconductor.
Hence, option (C) is correct.
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