Question

Similarities between electromagnet and Permanent magnet? Any four points.

Answer 1

1. Both the permanent magnet and the electromagnets have the magnetic lines of forces in an invincible field.

2. Both have poles (N & S) and can be used to make a compass.

3. Both have the properties of attraction and repulsion.

4. Both can make temporary magnets from iron, nickel, cobalt, neodymium, samarium

Answer 2

Both the magnets possess imaginary magnetic field lines.

Both the magnets have north and south-pole whose behaviour depends on the Geographic north-pole and south-pole of the earth.

Both the magnets have the capability to exhibit the properties of magnetism.