A cell of e.m.f 4 V and internal resistance $0.2 \Omega$ is connected to $1.8 \Omega$ (ohm) external resistance. The potential difference across the terminal of the cell will be:

4 V 2.8 V 3.6 V 0.4 V

3.6 V

The correct answer is Option (3) → 3.6 V