Write down what are the similarities between permanent magnet and electromagnet.
Similarities between Permanent Magnet and Electromagnet
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