Question

How is an electric bulb lights up as soon as we turn the switch on?
Note that : the physical drift of the electrons in the conducting wires is very slow process. ​

Answer 1

Answer:

Electricity to the bulb is provided by  

an electric cell. The electric cell produces  

electricity from the chemicals stored inside it.

The bulb produces light when electricity passes  

through it.  Filament is the thin wire inside the bulb.

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Answer 2

Answer:

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Explanation:

because only flow of electron due to , when we switch the light then immediately glow up .....