If I is the current through a wire and e is the charge of an electron, then the number of electrons in t seconds will be given by:
e/It
It/e
Iet
Ite
A
e/It
B
It/e
C
Ite
D
Iet
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Solution
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Current in the wire I=qt where q=ne
∴ Number of electron passes in t sec n=Ite
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