What is electromagnet circuit? Explain Briefly. …
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Yogita Ingle 5 years, 5 months ago
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.
(i) Take a long piece of insulated wire and an iron nail.
(ii) Wind the wire tightly around the nail.
(iii) Connect the free ends of the wire to the terminals of a cell through a switch.
(iv) Place some pins on or near the end of the nail and switch on the current. The pins cling to the tip of the nail.
(v) The coil behaves like a magnet till the current flows through it.
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