A copper wire carries a steady current of

PHYSICS · Subjective · CBSE · Physics · Current Electricity · Current Electricity

Problem

3.0\,\text{A}

. The wire has radius

0.50\,\text{mm}

and contains

8.5\times10^{28}

free electrons per cubic metre. Calculate the average drift velocity of the electrons. (Take

e = 1.6\times10^{-19}\,\text{C}