MHT CET Physics question

Not in JEE Advanced syllabus

In an intrinsic semiconductor,

(A)Only electrons are responsible for flow of current
(B)Both holes and electrons carry currentCorrect
(C)Both holes and electrons carry current with electrons being majority carriers
(D)Only holes are responsible for flow of current

Answer: (B)

Solution

Thermal generation creates equal numbers of electrons and holes, and both carry current; (a) and (d) ignore one

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Question ID VK-085366