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Semiconductors and Superconductors

The resistanc...

Question

The resistance of semiconductors
1.increases with increasing temperature
2.decreases with increasing temperature
3.remains the same at any temperature
4.varies from one object to another

A

2 and 4

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B

2 only

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C

3 only

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D

1 and 4

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Solution

The correct option is B 2 only
Option: (b)

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Similar questions

Q. Consider the following two statements

(a)

Resistance of a semiconductor decreases with increase in temperature.

(b)

Resistance of a conductor decreases with increase in temperature.

The correct statement(s) is/are

Q. Does the resistance of semiconductor increase with temperature?

Q. Assertion :The resistivity of the semiconductor increases with temperature. Reason: The atoms of semiconductor vibrate with larger amplitude at higher temperature thereby increasing its resistivity.

Q. Assertion: Electrical conductivity of semiconductors decreases with increasing temperature.
Reason: With increase in temperature, large number of electrons from the valence band can jump to the conduction band.

Q. Why conductivity of conductor decreases while of semiconductor increases with increasing temperature?

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