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For conductors, the free electrons will exist at

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in Electromagnetic Theory by (188k points)
For conductors, the free electrons will exist at

(a) Valence band

(b) Middle of valence and conduction band

(c) Will not exist

(d) Conduction band

I have been asked this question in an international level competition.

The question is from Conductors in chapter Electric Fields in Material Space of Electromagnetic Theory

1 Answer

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Best answer
Right choice is (d) Conduction band

Explanation: In conductors, the free electrons exist in the conduction band. Since the band gap energy is very low, less energy is required to transport the free electrons to the conduction band, as they are readily available to conduct.

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