How does a torch bulb glow
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17
Answer:
Explanation:
The cell passes an electric current through the torch bulb which heats up its filament and makes the bulb glow.
Answered by
3
Answer:
The battery has positive and negative electrodes and when the bulb is connected across these terminals current flow starts and chemical energy in battery is converted to electrical energy. This is further converted to light energy by the bulb. The filament inside bulb heats up and glows producing light
Explanation:
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