When the temperature of a metallic conductor is increased, its resistance

A: When temperature of a metallic wire is increased, its resistance increase . R : As the temperature is increaed , average relaxtion time increase.

A: When temperature of a metallic wire is increased, its resistance increase . R : As the temperature is increaed , average relaxtion time increase.

Assertion : When temperature of a conductor is increased, its resistance increases. Reason : Free electrons collide more frequently.

Assertion : When temperature of a conductor is increased, its resistance increases. Reason : Free electrons collide more frequently.

The metallic conductor is at temperature theta_1 . The temperature of metallic conductor is increased to theta_2 . How will the product of its resistivity and conductivity change?

When the temperature of a conductor increase the ratio of its resistivity and conductivity ......

Assertion: Resistivity of a metal conductor increases with the increase in temperature. Reason: When the temperature of a conductor is increased then the number of free electrons per unit volumic increases.

As the temperature of a conductor increases,its resistivity and conductivity change.the ratio of resistivity to conductivity