Question

what do you mean by solenoid.....
fast answer plz....
first answer will be rewarded as brainlist answer...
..thank u.. ​

Answer 1

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A solenoid is used to control a valve electrically, for example, the solenoid core is used to apply mechanical force to the valve. These can also used in particular types of door locking systems, which use an electromagnet and offer a very secure closure.

$\green{ hope \: it \: helps}$