Question

2.4-Write any one difference for each of the following. (
a) Magnetic and non-magnetic substance
b) Natural and artificial magnet
c) Single and double touch methods of magnets​

Answer 1

Explanation:

1. Magnetic substances are substances that get attracted to magnets. Few of the magnetic substances are - iron, steel, cobalt and nickel.

1. Non-magnetic substances are substances that do not get attracted by a magnet. Few of the materials are wood, plastic, copper, rubber.Artificial magnets are magnets made by people. ... An example of a natural magnet is the lodestone, also called magnetite. Other examples are pyrrhotite, ferrite, and columbite. Examples of permanent artificial magnets include refrigerator magnets and neodymium magnets.
2. The method of making an artificial magnet by rubbing a permanent magnet over it, in the same direction, is known single touch method whereas double touch method is a method of magnetizing a material by using two magnets instead of one.