Question

How many electrons pass through a cross-section of wire if a current of 2A is passed for 3 seconds?

Answer 1

Answer:

When one coulomb charge passes through any cross section of the wire per second,the current passing is one ampere. Charge of electron ,e=1.6X10^-19C. n=1/(1.6X10^-19)=6.25X10^18. This number of electrons passes through cross section of a wire carrying 1A current

Answer 2

Answer:

Here is your answer......