In a semiconductor bar

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

Problem

In a semiconductor bar, the drift velocity of charge carriers is

1.0\times10^{-3}\,\text{m\,s}^{-1}

. The bar has a rectangular cross-section of

0.5\,\text{mm}^2

. If the hole concentration is

1.0\times10^{29}\,\text{m}^{-3}

, find the current flowing through the bar. (a)

4\,\text{A}

(b)

16\,\text{A}

(c)

8\,\text{A}

(d)

0.8\,\text{A}