The smallest unit of electric charge is what?

[pinkyjoshi65]

what does this mean??

"a smallest unit of electric charge of which
other units are multiples"

The smallest unit of electric charge is q. i don't understand the rest..

 

[rl.bhat]

Charging of anybody is due to the transfer of electrons. And the electrons can be transferred in whole numbers, not in fraction. Hence smallest unit of charge is the chare on electron, and that is equal to 1.6x10^-19 C. Charge on anybody is given by n*e = n*1.6x10^-19C.