A metal plate weighing 750g is to be electroplated with 0.05% of its weight of silver. If a current of 0.8A is used, find the time (approx) needed for depositing the required weight of silver (ECE of silver is 11.8×10⁻⁷kgC⁻¹)

Options

(a) 5 min 32s
(b) 6 min 37s
(c) 4 min 16 s
(d) 6 min 10 s

Correct Answer:

6 min 37s

Explanation:

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