Electric bell

Electric bell

Electric bell

  • When the switch is closed, current flows through the circuit and the core become magnetized
  • The iron armature is attracted towards the magnetized core causing hammer to hit the gong and produce sound but this breaks the contact and the circuit.
  • When the circuit is broken, the iron core loses magnetism releasing the armature to be returned to the contact by the spring.
  • Again the circuit is completed and the process repeats, the hammer making repeated sound.

 

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