In electrolytic process, current efficiency is defined as ________.
1
\(\frac{\text { actual quantity of current requied }}{\text { theoretical quantity of required }}\)
2
\(\frac{\text { actual quantity of substance deposited }}{\text { theoretical quantity of substance deposited }} \)
3
\(\frac{\text { theoretical quantity of current requied }}{\text { actual quantity of current required }} \)
4
\(\frac{\text { theoretical quantity of substance deposited }}{\text { actual quantity of substance deposited }}\)