Question

what is the working principle of iron Box,geyser,bulb​

Answer 1

Answer:

Bulb...............

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Answer 2

Explanation:

an electric bulb, the filament of bulb gives light because of heating effect of electricity. The filament of bulb is generally made of tungsten metal; having melting point equal to 3380°C. Electric iron: The element of electric iron is made of alloys having high melting point