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Find the range of band gap energy for conductors.

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in Electromagnetic Theory by (188k points)
Find the range of band gap energy for conductors.

(a) >6 eV

(b) 0.2-0.4 eV

(c) 0.4-2 eV

(d) 2-6 eV

I had been asked this question in examination.

My question comes from Conductors in portion Electric Fields in Material Space of Electromagnetic Theory

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Right choice is (b) 0.2-0.4 eV

The explanation: Conductors are materials with least band gap energy. The smallest range in this group is 0.2-0.4 eV.

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