Energy gap between valence band and conduction band of a semiconductor is

Zero

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Infinite

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1 e V

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10 e V

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Solution

The correct option is B $1 e V$
For conduction band difference should be $> 5 e V$ .
Different value for different semiconductors are given in figure near about $1 e V$ .

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In a semiconductor , the energy gap between valence band and conduction band is about

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