An electric bell works with the help of an electromagnet. It is made up of a coil of wire wound round an iron piece, resembling an electromagnet.When current passes through it, a magnetic field is produced. When the circuit is complete, the hammer of the bell is attracted towards the electromagnet.
an electric heater is an electrical device that converts an electric current into heat. The heating element inside every electric heater is an electrical resistor, and works on the principle of joule heating: an electric current passing through a resistor will convert that electrical energy into heat en
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yes, you are right .
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