Question

Terminal voltage across a secondary cell is equal to its emf, when
a) at the time of charging
b) at the time of discharging
c) no current is drawn from the cell
d) none of the above

Answer 1

The electromotive force of a battery is equal to the potential difference between its terminals in an "open circuit", when there is no current being drawn. The potential difference between the terminals generally drops when the current is being drawn.

Answer 2

c is the correct answer plz mark it as the brainlist