MHT CET Physics question

Not in JEE Advanced syllabus

A n-type semiconductor is formed

(A)When germanium crystal is doped with an impurity containing three valence electrons
(B)When germanium crystal is doped with an impurity containing five valence electronsCorrect
(C)From pure germanium
(D)From pure silicon

Answer: (B)

Solution

A pentavalent impurity gives an extra free electron and makes an n-type semiconductor; a

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Question ID VK-085465