MHT CET Physics question

Not in JEE Advanced syllabus

Regarding p-type and n-type semiconductor 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 concentrations of electrons and holes are equal in both n-type and p-type semiconductors
(D)n-type semiconductor has excess negative charge

Answer: (A)

Solution

In n-type material free electrons are the majority carriers; (b) is false, (c) is false for

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Question ID VK-085141