Question

What is a solenoid ​

Answer 1

Solenoid :

• A solenoid is an electricalcomponent.
• Constructed by winding a long insulated wire in the form of a tightly packed helix.

Answer 2

solenoid is cylindrical coil of wire acting as a magnet when carrying electric current.

It is used in inductors , electromagnets, valve etc

hope it helps you