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The energy band gap is maximum in which of the following?

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in Physics – Class 12 by (135k points)
The energy band gap is maximum in which of the following?

(a) Metals

(b) Superconductors

(c) Insulators

(d) Semiconductors

The question was asked in homework.

My question is based upon Classification of Metals, Conductors and Semiconductors in portion Semiconductor Electronics : Materials, Devices and Simple Circuits of Physics – Class 12

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The correct choice is (c) Insulators

Easiest explanation: The bandgap is maximum in insulators. This makes it difficult for electrons to move to the conduction band. This is contrary to metals and superconductors, which has minimum band gaps facilitating the movement of electrons.

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