Assertion :An electric bell 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. Electric bells have been widely used at railroad crossings, in telephones, fire and burglar alarms, as school bells, doorbells, and alarms in industrial plants. Reason: Electromagnetic force is the force of attraction between the north and south poles of magnets

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
The assertion talks about the functions of an electric bell. It conveys correct information.
Electromagnetic force encompasses both electric and magnetic forces. So it is not only a force between two magnetic poles. Thus, the reason is incorrect.

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