Question

what is electro magnet? State on which principalit works? Explain how can an electro magnet be prepared from a soft iron rod? State uses of electo magnet?​

Answer 1

Explanation:

A temporary magnet that runs on electricity.

Electromagnets are used in electric bells, cranes, loudspeakers, telephone, etc.

Answer 2

Answer:

An electromagnet is a magnet that runs on electricity.

The electromagnet uses this principle. An electromagnet can be defined as a magnet which functions on electricity. Unlike a permanent magnet, the strength of an electromagnet can be changed by changing the amount of electric current that flows through it.

Uses of electromagnet:

Electromagnets are very widely used in electric and electromechanical devices, including:

1. Motors and generators.
2. Motors and generators.Transformers.
3. Relays.
4. Relays.Electric bells and buzzers.
5. Loudspeakers and headphones.Actuators such as valves.
6. and headphones.Actuators such as valves.Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.
7. and headphones.Actuators such as valves.Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.MRI machines, etc.