Question

1 What is
Electoragnate
and
Permanent magnate​

Answer 1

Answer:

(1)an electromagnet is a temporary magnet as it can readily demanetized by stopping the current through the solenoid

(2) strength can be changed

(3) it produce very strong magnetic force

(4) polarity can be changed by changing the direction of the current

and permanent magnet

(1) a permanent magnet cannot be readily demanetized

(2) strength cannot be changed

(3) it produce weal force of attraction

(4) polarity is fixed it cannot be changed...