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TS EAMCET 6-Aug-2021 Shift 1 Question Paper

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Question : 145

Total: 160

A metal plate of dimension of (1×2 cm2) has to be coated on both sides by Cu metal. How long does it take to deposit Cu of 0.01 cm thickness, if 1.5A current is used ?
[Electrochemical equivalence of Cu is 0.0003 g/c and the density of Cu is 9 g/cm3]

400 s
800 s
120 s
160 s

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