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which of the following represents co...

which of the following represents correct order of conductivity in solids ?

A

`K_("metals")gtgtK_("Insulators")ltK_("semiconductors")`

B

`K_("metals")ltltK_("insulators")ltK_("semiconductors")`

C

`K_("metals")ltK_("insulators")gtK_("semiconductors")=` zero

D

`K_("metals")ltK_("insulators")gtK_("semiconductors")cancel=` zero

Text Solution

Verified by Experts

The correct Answer is:
A
Conductivity of metal, insulator and semiconductors can be represented in teht term of k. (Kappa) which depednds upon energygap beween valence band and conduction band.
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