Question

A current of 0.4 micro ampere is flowing through a wire: then how much electrons are flowing per second a given cross section of the wire

Answer 1

Answer:

2.5*10^12

Explanation:

I=4*10^-7

t=1s

e=1.6*10^-19

n=?

It=ne

4*10^-7*1=n*1.6*10^-19

n=2.5*10^12