A) Electrons are minority carrier
B) Electrons are majority carrier
C) Protons are majority carrier
D) None of these
Correct Answer: B
Solution :
\[n-\]type semiconductor is obtained by doforming silicon or germanium crystal with pentavalent impurity. Since, the impurity atoms enter into the configuration of the Si crystal. Its four electrons take part in covalent bonding, while the fifth electron is left free. Therefore, in an n-type semiconductor electron are majority carriers.
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