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The forbidden energy band gap in conduct...

The forbidden energy band gap in conductors, semiconductors and insulators are `EG_(1), EG_(2)` and `EG_(3)` respectively. The relation among them is

A

`EG_1= EG_2 = EG_3`

B

`EG_1 lt EG_2 lt EG_3`

C

`EG_1 gt EG_2 gt EG_3`

D

`EG_1 lt EG_2 gt EG_3`

Text Solution

Verified by Experts

The correct Answer is:
B
`(E_g)_("conductor") = 0, (E_(g))_("semiconductor") lt 3 eV `
`(E_(g))_("insulator")gt 3eV.`
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