Question
An electric bulb works on which of the following principles:
An electric bulb works on which of the following principles:
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Solution
The correct option is C Heating effect of electric current
In a bulb, the filament gets heated up and starts glowing. So it makes use of the heating effect of current.
Heating effect of electric current
In a bulb, the filament gets heated up and starts glowing. So it makes use of the heating effect of current.
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