1.

How many electrons are passing per second in a circuit in which there is a current of 5 A ?

Answer»

Solution :Current `I=5A`
Time (t) = 1 second
CHARGE of electron `E=1.6xx10^(-19)C`
`I=q/t=("ne")/(t)`
NUMBER of electron, N `=("It")/(e )`
`=(5xx1)/(1.6xx10^(-19))`
`n=3.125xx10^(19)`


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