MHT CET Physics question

Physics Semiconductor Electronics MHT CET

Not in JEE Advanced syllabus

Based on the energy band description, a solid can be classified as an insulator when the energy gap between the valence band and conduction band is

(A)3 eV < < 6 eVCorrect
(B) > 6 eV
(C) < 3 eV
(D) = 0 eV

Answer: (A)

Solution

An insulator has a wide forbidden gap, greater than about 3 eV (typically 3-6 eV in this convention); < 3

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Question ID VK-074979