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How many electrons pass through a lamp i...

How many electrons pass through a lamp in one minute if the current be 220 mA?

Text Solution

Verified by Experts

I=220 mA=0.22A
I=Q/T
0.22=Q/60
Q=0.22`xx60=13.2C`
No: of electron carry 1 C charge`=6xx10^(18)`
No: of electron carry 13.2C charge`=6xx10^(18)xx13.2C=79.2xx10^(18)`
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