Current Electricity - Result Question 58

61. In electrolysis, the amount of mass deposited or liberated at an electrode is directly proportional to

(a) square of electric charge

[2000]

(b) amount of charge

(c) square of current

(d) concentration of electrolyte

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Answer:

Correct Answer: 61. (b)

Solution:

  1. (b) By Faraday’s Ist Law

Amount deposited $(m)=Zit=Zq$ $m \propto q$

Amount deposited is directly proportional to charge.

62 .

$ \begin{aligned} & \text{ (a) } E=V-I r \\ & 12=V-60 \times 5 \times 10^{-2} \\ & 12=V-3 \\ & \Rightarrow V=15 \text{ volt } \end{aligned} $



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