The principle on which an electric bell works on is ____________

Heating and chemical effect

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Heating effect

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Chemical effect

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Magnetic effect

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Solution

The correct option is D
Magnetic effect

Electric bell works on magnetic effect of electric current. The electromagnet attracts the soft iron armature, when the striker hits the gong it produces sound.

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Similar questions

An MCB which cuts off the electricity supply in case of short-circuiting or overloading works on the :

(a) chemical effect of current

(b) heating effect of current

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