Question

what is solenoid and how it work ​

Answer 1

Answer:

a coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder is known as a solenoid.

Explanation:

the positive side of the battery in the solenoid is the south pole and the negative side is the north pole. the magnetic field is constant all over the solenoid. when the current flows through the solenoid magnetic field is produced

Answer 2

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. The device creates a magnetic field from electric current and uses the magnetic field to create linear motion.