Question

Why does the filament in a bulb start glowing when electricity passed through it​

Answer 1

Answer:

The filaments of a electric bulb glows because the heating effect of electric current.As the current passes through the bulb it heats the filament which give off light...

Answer 2

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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. ... The filament then heats up and becomes red-hot as a result of this it begins to glow, turning electrical energy into light energy.