What do u mean by solenoid and how it works

1.	What do u mean by solenoid and how it works
Answer» Solenoid is the generic term for a coil of wire used as an electromagnet. It also refers to any device that converts electrical energy to mechanical energy using a solenoid. (Aaj maine v yhi puchha tha but ab aaj mera data khtm ho jayega)

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