In energy band diagram of insulators, a band gap and the conduction band is respectively (a) very high, empty (b) very low, empty (c) very high, completely filed (d) very low, partially filled

Answer: (a). In an insulator the band gap is very large, Eg > 3 eV. Thermal energy cannot lift electrons across it, so the conduction band is empty. So the answer is (a) very high, empty.

In energy band diagram of insulators, a band gap and the conduction… | MHT CET 2026 (11 Apr, Shift 2)

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Energy Bands in Solids

In energy band diagram of insulators, a band gap and the conduction band is respectively

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Answer: (a)

In an insulator the band gap is very large, $E_g > 3\text{ eV}$ .
Thermal energy cannot lift electrons across it, so the conduction band is empty.
So the answer is (a) very high, empty.

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