Magnetism

Q. The property of a material to get attracted to a magnet is called

1. magnetism
2. attractiveness
3. adherence
4. cohesiveness

Q.

Write any three properties of a magnet. [3 MARKS]

Q.

State any three properties of magnet.

Q. What is magnet?

Q. Magnetism is a kind of energy, which has ability to do work.

1. True
2. False

Q.

State four important properties of a magnet.

Q.

State two properties of bar magnet.

Q.

State six important properties of a bar magnet.

Q.

Three magnets were dipped one by one in a heap of iron filing. Figure shows the amount of the iron filing sticking to them. If A, B, C represent the strength of magnets, chose the correct option:

1. A > B > C
2. A < B < C
3. A < B > C
4. A = B = C

Q. Which of the following are properties of a bar magnet that distinguishes it from an ordinary iron bar?

1. It points towards north-south when freely suspended.
2. It always gets attracted towards other magnets.
3. It gets repelled from similar poles of other magnets.
4. It has two distinct permanent magnetic poles.

Q.

State any four properties of a bar magnet.

Q. Three magnets were dipped one by one in a heap of iron filing. The figure shows the amount of the iron filing sticking to them.

If A, B, C represent the strength of the magnets, what will be the order of strength of these magnets?

1. A > B > C
2. A < B < C
3. A < B > C
4. A = B = C

Q. List down the properties of a magnet.

Q. How does magnet works
do they have a magical glue?

Q. Materials which are attracted to a magnet are known as

1. magnetic materials
2. non-magnetic materials
3. conductors
4. insulators

Q. Unlike poles of magnets ________ each other.

1. repel
2. attract
3. refract
4. reflect

Q. Which of the following is a non-magnetic material?

1. Cobalt
2. Iron
3. Nickel
4. Plastic

Q.

A magnet has ___________ poles.

Q. The property of a material to get attracted to a magnet is called

1. attractiveness
2. magnetism
3. adherence
4. cohesiveness

Q. Which of the following things will be attracted to this horseshoe magnet? Write their names in the boxes next to the poles of the magnet.

a piece of silk, greeting card, polythene bag, iron nail, a strip of aluminium foil, glass, brass screw, a piece of copper wire, staples, eraser, stainless steel screw, gold ring, sewing needle

Figure