what is solenoid? please tell!!
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A solenoid is a coil of insulated wire wound on a rod-shaped form made of solid iron, solid steel, or powdered iron which produces magnetic field when electric current passed through it. It is a electromechanical device. Devices of this kind can be used as electromagnets, as inductors in electronic circuits etc.
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I hope it will help you
Explanation:
a cylindrical coil of wire acting as a magnet when carrying electric current.
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