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Eamcet Chemistry
2 nd Year : Unit 1.2 ( Solid State ) - Solid State – II

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Assertion (A): Electrical conductivity of semiconductors increases with increasing temperature.
Reason (R): With increase in temperature, large number of electrons from the valence band can jump to the conduction band.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true but (R) is not the correct explanation of (A)

C. (A) is true but (R) is false

D. Both (A) and (R) are false

E. None of the above

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Correct choice: A

Explanation:

None

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Eamcet Chemistry 2 nd Year : Unit 1.2 ( Solid State ) - Solid State – II

Eamcet Chemistry
2 nd Year : Unit 1.2 ( Solid State ) - Solid State – II