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प्रश्न
How many electrons are passing per second in a circuit in which there is a current of 5 A?
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उत्तर
A current 1018 electrons
A current of 5A consists
= 5 × 6.25 × 1018 electrons = 31.25 × 1018
Number of electrons passing per second
= 31.25 × 1018 electrons
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