Question

when the length of conductor increases in resistance a) decreases b) increases c) remain same d) first decreases and then increases​

Answer 1

Answer:

Correct option is

A

increases

With increase in temperature of conductor, the number of collisions between the free electrons increases due to increase in thermal energy resulting in the random motion of electrons. These electrons find it difficult to drift in a particular direction for conduction. Hence the resistance of conductor increases as the temperature increases.

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