Question

How many electrons are flowing per second in a circuit in which there is a current of 12 ampere?

Answer 1

Explanation:

Given that,

Current i=5A

Time t=1s

Charge e=1.6×10−19C

We know that,

  Q=it

 ne=it

 n=eit

 n=1.6×10−195×1

 n=3.125×1019

 n=3125×1016

Hence, the number of electrons is 3125×1016 

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Answer 2

Answer:

6.5 x 10^19

Explanation:

12 amp = 12 coulomb/ 1 sec

1 coulomb = 6.24 x 10^18 electrons.

12 coulomb = 6.24 x 12 x 10^18 electrons

                    = 64.88 x  10^18 electrons

                     = 6.5 x 10^19 electrons.