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Statement-1 : When the temperature of a ...

Statement-1 : When the temperature of a semiconductor is increased, then its resistance decreases.
Statement-2 : The energy gap between conduction band and valence band is very small for semiconductor.

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Assertion: If the temperature of a semiconductor is increased then its resistance decreases. Reason: The energy gap between conduction band and valence band is very small

Assertion (A): As the temperature of a semiconductor increases, its resistance decreases. Reason (R ): The energy gap between conduction band and valence band is small.

There is a small energy gap between the conduction and valence bands of

There is a small energy gap between the conduction and valence bands of

The energy band gap (difference between conductor band and valance band) in semiconductors is

in a good conductor the energy gap between the conduction band and the valence band is

In a good conductor the energy gap between the conduction band and the valence band is

Statement I : Electrical conductivity of semiconductors increases with rise in temperature. Statement II : There is a small energy gap between conduction band and valence band.