The intrinsic semi conductor becomes an insulator at

0^{\circ} C

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0 K

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300 K

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- 100^{\circ} C

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Solution

The correct option is B $0 K$
At $0 K (- 273^{\circ} C)$ motion of free electron stop i.e., there is no electron in conduction band therefore at $0 K$ intrinsic semiconductor becomes insulator.

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0 K

$C, S i$ , and $G e$ have the same lattice structure. Why is $C$ insulator while $S i$ and $G e$ intrinsic semiconductors?

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