A current of 5 A passes through a copper conductor with resistivity and radius of…

PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity

Problem

A current of 5 A passes through a copper conductor with resistivity

1.7 \times 10^{-8}\ \Omega\,\text{m}

and radius of cross-section 5 mm. Find the mobility of the charges if their drift velocity is

1.1 \times 10^{-3}\ \text{m/s}

. (1)

1.8 \text{ m}^2/\text{Vs}

(2)

1.5 \text{ m}^2/\text{Vs}

(3)

1.3 \text{ m}^2/\text{Vs}

(4)

1.0 \text{ m}^2/\text{Vs}