Question

how many electrons should be removed from a conductor so that it aquires a positive charge of 3.5 Nano seconds

Answer 1

See we know

Q= ne

So if Q= 3.5nC we can write it as Q= 3.5 X 10-6 C

also e= 1.6 X 10-19

Then just divide q with e to get the answer I hope it helps you