Question

What are solenoids
give a answers ​

Answer 1

Answer:

A coil with many circular close turns of insulated copper wire (like a cylinder as shown above) is a solenoid. One end of such a solenoid behaves like the north pole and the other as a south pole. Therefore magnetic field due to current in the solenoid is similar to a bar magnet

Explanation:

Answer 2

Answer:

a solenoid is a coil of insulated or enameled where wound on a rod shaped form made of solid iron, solid steel & powdered iron.

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