How is working of electrical bell happen again
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An electric bell is a mechanical or electronic bell that functions by a means of an electromagnet.when an electric current is applied, it produces a repetitive buzzing, clanging or ringing sound.
Explanation:
The electric bell works on the principle of the electromagnet. as such the iron strip returns to its original position, and again the current passes through the electromagnet. this phenomenon happens many times in a second, and as the hammer strikes the bell, the sound is heard.
Electric bells have been widely used at railroad crossings, in telephones, fire and burglar alarms, as school bells , door bells and alarms in industrial plants.
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