On increasing the temperature of a conductor. its resistance increases because the

Question

On increasing the temperature of a conductor. its resistance increases because the (A) relaxation time increases (B) mass of electron increases (C) electron density decreases (D) relaxation time decreases

Tardigrade Admin · Accepted Answer

We have R = (m/ne2 τ) . (λ/A) From this relation when temperature increases τ decrease, so that relaxation time decreases.

Q. On increasing the temperature of a conductor. its resistance increases because the

relaxation time increases

mass of electron increases

electron density decreases

relaxation time decreases

relaxation time remains constant

We have $R = \frac{m}{n e ^{2} τ} . \frac{λ}{A}$
From this relation when temperature increases $τ$ decrease, so that relaxation time decreases.