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Faraday's Second Law

How long curr...

Question

How long current of 3A has to be passed through a solution of $A g N O_{3}$ to coat a metal surface of $80 c m^{2}$ with $5 μ m$ thick layer? [Density of silver $= 10.8 g / c m^{3}$ ]

t = 128.66

sec

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t = 256.66

sec

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t = 64.66

sec

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t = 32.66

sec

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Solution

The correct option is A $t = 128.66$ sec

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