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Question
Name any two appliances which works on the phenomenon of heating effect of electric current.
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Solution
Fuse wire, electric iron, electric bulb, electric cooker, geyser.
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Anannya responded to the question: Why do electrical appliances with metallic bodies are connected to the mains through a three-pin plug, whereas an electric bulb can be connected with a two-pin plug?
She wrote: Three-pin connections reduce heating of connecting wires.
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