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Question

Nayana has set up an electric circuit using some connecting copper wires, a battery, a switch and a bulb that she has taken from a torch light. But after connecting the equipments, the bulb is not glowing. What can be the reason(s) for this?

A
The bulb's filament is broken.
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B
The circuit which should be closed is open instead.
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C
The battery is dead.
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D
Torch light bulbs cannot be used for this experiment.
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Solution

The correct options are
A The bulb's filament is broken.
B The circuit which should be closed is open instead.
C The battery is dead.
A simple electric circuit can be constructed using copper wires, a battery, a switch and an electric bulb. Few possible reasons why Nayana has been failing to make the bulb glow are:
  • The battery is an old one, hence it might be dead.
  • The circuit is open.
  • The connecting wires are not connected properly.
  • The bulb is fused.

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