The resistance of semiconductors 1 Increases with increasing temperature 2 ...........

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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

Which of the above statement(s) is/are correct?

2 and 4

2 only

3 only

1 and 4
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Explanation:

In case of semiconductors as the temperature increases the electrons in the valence band get excited and jump into the conduction band and hence the conductance increases resulting in the dwindling of resistance. As resistance is directly proportional to resistivity,resistivity decreases, too.