Question

State whether true or false- “Rubber is a magnetic material”
(A) True
(B) False

Answer 1

Hint
Magnetic materials are those which have a property that when a magnet is brought close to them they are attracted by the magnet. But for rubber when a magnet is brought close to it, it is not attracted towards the magnet. So it is a non-magnetic material.

Complete step by step answer
All those kinds of materials that can be magnetised and are also strongly attracted by a magnet are called magnetic materials. A few common examples are iron, cobalt, nickel, etc. These magnetic materials are also called ferromagnetic materials. These materials have in them small regions of atomic dipoles. Even in the absence of an external magnetic field these substances show a net magnetic moment.
All those materials that are not attracted by a magnet are called non-magnetic materials. They have no net magnetic moment. So when a rubber is taken close to a magnet, we see that it is not attracted by the magnet. Therefore, rubber is a non-magnetic material. Hence the given statement will be false.
So the correct option is (B).

Note
Ferromagnetic materials are mainly of two types, the soft materials and the hard materials. The soft materials are the ones with which the temporary magnets are made and the hard materials are the ones using which permanent magnets are made. Magnetic materials are used in a huge number of places like in transformers, powers, motors, electromagnets, etc. Magnets are also used in older large TV and computer monitors and also in speakers and microphones.