MHT CET Physics question

Not in JEE Advanced syllabus

Regarding p-type and n-type semiconductors, which of the following statements is true?

(A)n-type semiconductors have free electrons in majorityCorrect
(B)n-type semiconductors have holes in majority
(C)The concentration of electrons and holes are equal in both n-type and p-type semiconductors
(D)n-type semiconductor is obtained by doping with trivalent impurity

Answer: (A)

Solution

In n-type material electrons are the majority carriers; (b) is wrong because holes are the minority carriers, (c) is wrong

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Question ID VK-085453