Question

Which of the following is not true about e.m.f. of a cell?

• A. Work calculated from it is not the maximum work obtainable from the cell
• B. It is maximum voltage obtainable from the cell
• C. It is the potential difference between two electrodes when no current is flowing in circuit
• D. It is responsible for the flow of steady current in the cell

Answer 1

Answer: (A)

$E.M.F$. is defined as the potential difference between two electrodes when current is flowing in circuit.

It is the maximum work obtainable from the cell.