Question

how many electron pass through a lamp in one minute if the current be 220mA

Answer 1

hey dear your answer is here
_________

t=1min=60sec
I=220mA=220×10^-3A
e=1.6×10^-19 C

I=ne/t

n=It/e

n=(220×10^-3×60)/(1.6×10^-19)

n=8.25×10^17 electrons

Answer 2

the answer is 8.25×10^19