A) current
B) square of current
C) concentration of solution
D) inverse of current
Correct Answer: A
Solution :
In electrolysis according to first law of Faraday, the mass of a substance deposited at an electrode is directly proportional to the charge passed through the electrolyte ie, \[m\propto p\] If a current i passes for a time t, then as we know \[q=it\] Hence, \[m\propto it\] or \[m\propto i\] Thus, mass deposited at an electrode is directly proportional to current.
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