sometimes an electric bulb does not glow even if it is connected to the cell. give 5 possible reasons
Answers
Answered by
9
Answer:
1. Bulb can be fused.
2. Cell can be uncharged
3. If we have connected bulb terminals and cell terminals in not a correct way
4. wire can be broken.
5. Bulb's filament may be broken
Answered by
3
Answer:
The contacts are not connected as well as they appear.
The wires have been tied or clamped to the terminals without stripping off the insulation.
Optical fibre was used instead of metallic wire.
The bulb is dead (burnt out).
The battery is dead.
There is no voltage source in the circuit.
A switch in series is open (switched off).
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