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Electric Circuit Diagram

When the swit...

Question

When the switch of an electric torch is in ON position, electric current flows to the filament of the electric bulb due to which it ___.

A

gets cooled

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B

does not glow

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C

gets heated

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D

glows

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Solution

The correct options are
C
gets heated

D
glows

The filament of the electric bulb gets heated when current passes through it and the bulb hence starts glowing. The process of glowing is due to heating effect of current through the filament of the bulb.

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