what is the principle of electric bell
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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. When an electric current flows through the coils, the rods became magnetic and attract a piece of iron attached to a clapper
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Current flow through an electro magnetic coil pulls on an arm which converts it to mechanical energy. This movement opens the contacts on an electrical switch which opens and causes the current to stop flowing. ... The switch closes and the process repeats until the applied power is removed.
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