Resistance of a conductor _______ with increase in temperature

Decrease

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Increase

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First increase then decrease

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First decrease then increase

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Solution

The correct option is B Increase
The resistance of a conductor increases with an increase in temperature because the thermal velocity of the free electrons increases as the temperature increases. This results in an increase in the number of collisions between the free electrons.

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Similar questions

(a)

(b)

Resistance of a conductor also increases linearly with the temperature. How?

Also explain what is the linear increase in temperature.

EXPLAIN in detail.

The resistance of a conductor increases with-

I: Increase in length

II: Increase in volume

III: Decrease in area

Normally, solubility of a crystalline solid increase with temperature. Does it increase uniformly in all cases ? Name a substance whose solubility :

(a) increase rapidly withe temperature.

(b) increase gradually with temperature.

(d) initially increases then decreases with rise in temperature.

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