Simple Phenomena of Magnetism

Question 1

What is induced magnetism?

Answer 1

Magnetic induction is when another object becomes magnetized. This occurs because of magnetic domains. Magnetic domains in unmagnetized domains are random, but sort when in contact with a magnet.

Question 2

(Practical) Finding a Magnetic Field:

Answer 2

1. Place a card on top of the magnet
2. Sprinkle iron fillings
3. tap card
4. use plotting compasses to find directions
   5.

Question 3

What is the difference between temporary and permanent magnets?

Answer 3

Iron Magnets are temporary whilst steel ones are permanent.

Iron is magnetically soft, steel is the opposite.