Use the above expression to show that the 'resistivity', of the material of a wire, is inversely proportional to the 'relaxation time' for the 'free electrons' in the metal.
Important Questions on Current Electricity
A wire whose cross-sectional area is increasing linearly from its one end to the other, is connected across a battery of $V$ volts. Which of the following quantities remains constant in the wire ?
drift speed
Justify your answer.
A wire whose cross-sectional area is increasing linearly from its one end to the other, is connected across a battery of $V$ volts. Which of the following quantities remains constant in the wire ?Justify your answer.
A wire whose cross-sectional area is increasing linearly from its one end to the other, is connected across a battery of $V$ volts. Which of the following quantities remains constant in the wire ?Justify your answer.
A wire whose cross-sectional area is increasing linearly from its one end to the other, is connected across a battery of volts. Which of the following quantities remains constant in the wire ?Justify your answer.
