Identify the correct relation that connects the current in a uniform metallic…

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

Problem

Identify the correct relation that connects the current

I

in a uniform metallic conductor with electron number density

n

, electronic charge

e

, drift velocity

v_d

and cross-sectional area

A

. (a)

\dfrac{1}{2}\,n e A v_d

(b)

2 n e A v_d

(c)

n e A v_d

(d)

\sqrt{2}\,n e A v_d