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Chapter 8: Magnetism

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1

Which property of a magnet causes it to attract iron?

2

Which are the two ends of a magnet called?

3

Like magnetic poles will:

4

Unlike magnetic poles will:

5

Which material can be magnetized easily?

6

Which of the following is a non-magnetic material?

7

Magnetism produced in an unmagnetized material is called:

8

Which magnet loses its magnetism easily?

9

Steel is commonly used to make permanent magnets because it:

10

Which material is suitable for making electromagnets?

11

The region around a magnet where magnetic force is felt is called:

12

Magnetic field lines always emerge from:

13

Magnetic field lines enter the magnet at:

14

Magnetic field lines never:

15

The closeness of magnetic field lines indicates:

16

Which device is used to detect the direction of magnetic field?

17

Iron filings are used to:

18

The magnetic field inside a magnet is directed from:

19

Which of the following is a use of permanent magnets?

20

An electromagnet works on the principle of:

21

The strength of an electromagnet can be increased by:

22

Which magnet can be switched ON and OFF?

23

Domain theory explains magnetism due to:

24

In an unmagnetized material, magnetic domains are:

25

Ferromagnetic materials are:

26

Which of the following is a ferromagnetic material?

27

Paramagnetic materials are:

28

Diamagnetic materials are:

29

Which of the following is diamagnetic?

30

The Earth behaves like:

31

The direction of Earth’s magnetic field is from:

32

A compass needle aligns itself along:

33

Which application uses magnetism in data storage?

34

Magnetic shielding is used to:

35

Which material is commonly used for magnetic shielding?

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