Question

1. A polythene piece rubbed with wool is found have a negative charge of 3.2 x 10-7c. Calculate the number of electrons transferred.

Answer 1

don't know.............

Answer 2

We know, q = ne

                 n = q/e

                  n = 3*10^-7 / 1.6*10^-19

                   n = 1.87*10^12