MCQ
In a copper voltameter, mass deposited in 30 second is $m gm$. If the time-current graph is as shown in figure, $E C E$ of copper is

Image

  • A
    $m$
  • $m / 2$
  • C
    $0.1 m$
  • D
    $0.6 m$

Answer

Correct option: B.
$m / 2$
(b) Area $=i t=2$ Coulomb and $m=z i t \Rightarrow z=\frac{m}{i t}=\frac{m}{2}$

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