An electric bulb is connected to a cell through a switch as shown in Fig. 12.7. When the switch is brought in ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them.
There could be following reasons for it:
(i) Loose connections.
(ii) Break in connecting wires.
(iii) The cell is a used one.
(iv) The bulb is fused.