`w g` of copper is deposited in a copper voltameter when an electric current of 2 ampere
Channel: Doubtnut
Date: 2020-03-29

`w g` of copper is deposited in a copper voltameter when an electric current of 2 ampere is passed for 2 hours. If one ampere of electric current is passed for 4 hours in the same voltameter, copper deposited will be: