When electric current is passed through an incandescent bulb, the bulb gives light. Identify the proper reason.

Electric effect of current

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Chemical effect of current

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Heating effect of current

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Lighting effect of current

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Solution

The correct option is C
Heating effect of current

The electric current in a metal wire is nothing but the flow of electrons. When these electrons pass through the filament of the bulb, it produces heat and thereby light energy. Hence, this heating effect of electric current is responsible for the glow.

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Similar questions

Which effect of current is utilised in an electric light bulb?

(a) Name three types of substances in which an electric current can produce a chemical effect.
(b) State some of the characteristics of chemical changes brought about by the chemical effect of electric current.
(c) Why does an electric bulb glow when a current passes through it ?

When electric current is passed through an incandescent bulb, the bulb gives light. Identify the proper reason.

Q. An electric fuse works on the:

(a) chemical effect of current
(b) magnetic effect of current
(c) lighting effect of current
(d) heating effect of current

Q. Explain the applications of heating effect of electric current in an electric bulb.

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