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  •  As the temperature increases, the electrical resistanceOption: 1 decreases for both conductors and semiconductors<div class='qna-

 As the temperature increases, the electrical resistance

Option: 1

decreases for both conductors and semiconductors


Option: 2

increases for conductors but decreases for semiconductors


Option: 3

decreases for conductors but increases for semiconductors


Option: 4

increases for both conductors and semiconductors


Answers (1)

best_answer

The tempenature coefficient of rasistance (\alpha) is positive for conductors and negative for semiconductors " where, \propto=\frac{\Delta R}{R \Delta T}
Therefore, with the increase in temperature the electrical resistance increases for conductors but decreases for semicorductors
The correct option is (2)

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