Question

How many electron passed through wire if current passed through the wire 400 Milli ampere

Answer 1

I think the answer will 400 bcuz

1 electron = 1 ampere

hope it help u

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Answer 2

Normally 6.22 * 10^18 electrons pass through one ampere current.

1 ampere = 1000 milliamperes

400 milli ampere = 400/1000 ampere.

No. of electrons passed through 400 milliampere

                                                                   = 400/1000 * 6.22*10^18

                                                                  = 24.88 * 10^17 electrons

                                                                  = 2.488 * 10^17 electrons

Hope my answer helps you.