Question

what is an Electromagnet ?State any two application of electromagnets.

Answer 1

Electromagnet ate are temporary strong magnet made from piece of soft iron when current flows in the coil wound around it
It is an artificial magnet
uses are:
1- produces strong magnetic field
2- polarity of magnet can be reversed by reversing the direction of current
3- strength of magnetic field can be easily changed by changing the current in its solenoid

Answer 2

Answer:

• Actuators such as valves.
• Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks.