How does the magnetic effect of the electric current work in a door be – InterviewSolution

1.

How does the magnetic effect of the electric current work in a door bell?

Answer»

Electromagnets are coils of wire wrapped around a small piece of MAGNETIC metal. When electricity passes through the wire, it CREATES a magnetic field around the wire. ... The magnetic field generated by the electromagnet is then USED to power a mechanism that creates the DOORBELL sound. Doorbells are low-voltage devices.

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