In all metallic conductors, electric conduction is due to drifting of free electrons. But the resistivity of different metals are different. Write the expression for resistivity of a conduc tor in terms of its dimensions.

In all metallic conductors, electric conduction is due to drifting of free electrons. But the resistivity of different metals are different. Arrive at an expression for electrical resistivity a metal in terms of relaxation time.

In all metallic conductors, electric conduction is due to drifting of free electrons. But the resistivity of different metals are different. Name the factors on which resistivity of a metal depends.

In all metallic conductors, electric conduction is due to drifting of free electrons. But the resistivity of different metals are different. Explain the variation of resistivity with temperature.

The resistance value of a conductor depends on its physical dimensions. Give the expression for resistance of a conductor in terms of its physical dimension.

An electron moves under a potential difference of 300V. Derive an expression for Its wave in terms of charge of particle.

Under an external electric field electrons drift slowly inside the conductor. Write an expression for drift velocity in terms of relaxation time

As the temperature of a metallic resistor is increased, the product of its resistivity and conductivity ___________.