NEET 2019 Model Question Paper 5

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Question : 125 of 180

Marks: +1, -0

Choose the only false statement from the following.

In conductors the valence and conduction bands overlap.
Substances with energy gap of the order of 10 eV are insulators.
The resistivity of semiconductor increases with increase in temperature.
The conductivity of a semiconductor increases with increase in temperature.

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