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How much time is required to do the electroplating of Ag layer on a coffee tray (30 cm × 15 cm) to a thickness of 1 mm using a constant current of 1.0 A. Given that density of Ag is 10.5 g/c`m^3`
A. |
7720 s |
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B. |
120 min |
C. |
772 s |
D. |
77.2 s |