Which of the following effects of current makes the electric bell work?

Heating effect

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Magnetic effect

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Chemical effect

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None of the above

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Solution

The correct option is B
Magnetic effect

Electric bell works on magnetic effect of electric current. It is a mechanical bell that functions by means of an electromagnet. When an electric current is applied, it produces a repetitive buzzing or clanging 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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