Question

In a copper voltameter experiment, current is decreased to one-fourth of the initial value but it is passed for four times the earlier duration. Amount of copper deposited will be

• A. Same
• B. One-fourth the previous value
• C. Four times the previous value
• D. $\frac{1}{16}th$ of the previous value

Answer 1

Answer: (A)

Same

Answer 2

In the first case, $Zit = m$

In the second case, $Z \times \frac{i}{4} \times 4t = m$