Question

Out of the following statments which one is not false: a)Resistance of a wire increases with temperature b)Resistance of a wire increases with its cross sectional area c)Resistance of a wire decreases with its length d)Resistance of a wire is independent of its length Please answer fast,............... and give reason also

Answer 1

Explanation:

Resistqnce of a wire increases with temperature

Answer 2

Answer:

The resistivity of conductors increases with rise in temperature. As the temperature of the conductor increases, the average speed of the electrons acting as the current carriers increases. This in result increases the number of collisions and the average time of collisions decreases with temperature.

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