Question

Give reasons:
The filament of an electric bulb glows when electric current passes through it.​

Answer 1

Answer:

The filament of an electric bulb glows because of the heating effect of electric current. As the current passes through the bulb it heats the filament which gives off light. A filament has lots of opposition or resistance to electricity.

Explanation:

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Answer 2

due to the heating effect of electric current, the bulb glows when the electric current passes through it. the filament of the bulb gets heated to a high temperature and it starts glowing.