`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

`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:
A. `w`
B. `w//2`
C. `w//4`
D. `2w`

`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 p

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