Question

how many electrons pass through a conductor in 0.2 second if the current passing through it is 0.5 ampere

Answer 1

hey dear your answer is here...
I=ne/t
0.5=n×1.6×10^-19/0.2

n =0.5×0.2/(1.6×10^-19)
n=0.0625×10^19
n=6.25×10^17 electrons