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14/07/2021 3:28 pm
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If the charge on an electron is 1.6 x 10-19 coulombs, how many electrons should pass through a conductor in 1 second to constitute 1 ampere current?
1 Answer
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14/07/2021 3:31 pm
We know that
I = Q/t
1A = Q/1s
Q = 1C
Now,
When charge is 1.6 x 10-19 coulombs, number of electrons = 1
When charge is 1 coulomb, number of electrons
= 1/1.6 x10-19 = 0.625 x 1019
= 6.25 x 1018