Question

(a) What is an electromagnet? What does it consist of?(b) Name one material in each case which is used to make a(i) Permanent magnet(ii) Temporary magnet(c) Describe an activity to show how you can make an electromagnet in your school laboratory.

Answer 1

the strong magnetic field produced inside a solenoid can be used to magnetise a piece of magnetic material like soft iron when placed inside a coil the magnet so formed is electromagnet