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Choose correct alternative. A current ...

Choose correct alternative.
A current of 3.2 ampere is flowing in a conductor. The number of electrons per second through the conductor will be [Charge on the electron =`1.6 xx 10^-19` coulomb].

A

`2 xx 10^19` electrons/sec

B

`3 xx 10^19` electrons/sec

C

`3 xx 10^20` electrons/sec

D

`6.4 xx 10^20` electron/sec

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