An incandescent bulb connected to a cell does not glow in a circuit. Which of the following can be the reason/s?

Bulb is fused

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The terminals of the bulb are connected oppositely to the battery.

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The switch of the circuit must be on.

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The cell is not working.

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Solution

The correct options are
A
Bulb is fused

D
The cell is not working.

If an electric bulb does not glow even when it is connected to the cell, then the reason could be that it is fused.

An incandescent bulb is not polarity conscious and it glows even if its terminals are reversed.

The switch of the circuit must be on for the bulb to glow. If the switch is switched off, the circuit is not completed and the bulb will not glow.

If the cell is not working, current will not flow through the circuit and the bulb will not glow.

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