Which of the following device is responsible for attracting the striker?

Striker

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Contact screw

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Electromagnet

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Gong

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Solution

The correct option is C Electromagnet
Electric bell works on the principle of magnetic effects of electric current. The part that strikes the metal piece is known as the striker and the part that makes sound is called gong. The contact screw is responsible to maintain contact for the flow of current and finally, the electromagnet is responsible for attracting the striker.

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