Question

The current following in a wire is 1A .If the charge of an electron is 1.6×10^-19 C
Then the number of electron following through the wire per second as ?

Answer 1

KVPY SA Stream Complete Pack for Class XI

₹ 4,000

Amazon India

Answer 2

Let n be the number of electrons passing through the cross section.

e=electronic charge

Total charge passing =>

Q=n*e

1A=n*1.6*10^-19

Therefore, n=>

1/1.6*10^-19

n=6.25*10^18

Hope this helps!!!!