Question

what do you mean by Solenoid ??​

Answer 1

Solenoid is an combination of Coils which is close to each other .

It Is made by a Copper wire .

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Answer 2

Answer:

a coil of wire usually in cylindrical form that when carrying a current acts like a magnet so that a movable core is drawn into the coil when a current flows and that is used especially as a switch or control for a mechanical device (such as a valve