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Magnetism MCQ Class 8

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Magnetism MCQ Class 8. We covered all the Magnetism MCQ Class 8 in this post for free so that you can practice well for the exam.

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MCQ on Magnetism for School Students

Every molecule of a magnetic substance behaves as a :

1. Tiny magnet

2. Elementary magnet

3. Molecular magnet

4. All of these

Option 4 – All of these

Molecular theory of magnetism is proposed by

1. Weber

2. Coulomb

3. Ewing

4. Oersted

Option 3 – Ewing

The limit of magnetisation of a substance is called :

Which State of India experiences the maximum annual variation of rainfall?

(A) Meghalaya

(B) Kerala

(C) Rajasthan

(D) West Bengal

Show Answer

1. Magnetisation

2. Magnetic saturation

3. Magnetic unsaturation

4. None of these

Option 2 – Magnetic saturation

The substance in which the parallel alignment of molecular magnets produced during magnetisation remains permanent, is

1. soft iron

2. steel

3. brass

4. copper

Option 2 – steel

Steel is used to make :

Pakyong Airport is located in?

(A) Sikkim

(B) Jammu and Kashmir

(C) Arunachal Pradesh

(D) Mizoram

Show Answer

1. temporary magnets

2. electromagnets

3. permanent magnets

4. None of these

Option 3 – permanent magnets

The substance in which the alignment of molecules during magnetisation is disturbed easily, is :

1. soft iron

2. steel

3. brass

4. copper

Option 1 – soft iron

Soft- iron is used to make :

1. permanent magnet

2. electro magnet

3. temporary magnet

4. 2 and 3

Option 4 – 2 and 3

Two poles of a magnet have :

1. equal strength

2. unequal strength

3. strength of N- pole is twice that of S- pole

4. None of these

Option 1 – equal strength

A magnet is also called :

1. magnetic dipole

2. magnetic mono pole

3. magnetic tripole

4. None of these

Option 1 – magnetic dipole

Magnetism of a magnet can be destroyed by :

1. tapping

2. hammering

3. heating

4. all of these

Option 4 – all of these

The substances which are repelled by a strong magnet, are :

1. bismuth

2. copper

3. cobalt

4. 1 and 2

Option 4 – 1 and 2

The N and S poles of a magnet are the points in a magnet where :

1. N and S poles of the molecular magnets are left free

2. N and S poles of the molecular magnets are coupled

3. N and S poles of the molecular magnets are left uncoupled

4. 1 and 3

Option 4 – 1 and 3

The ability of a pole of a magnet to attract or repel another magnetic pole is called its :

1. Pole capacity

2. Pole strength

3. Pole force

4. All of these

Option 2 – Pole strength

The pole strengths of two poles of a magnet are

1. equal

2. unequal

3. pole strength of N is twice than that of S

4. None of these

Option 1 – equal

The Inverse Square law of Coulomb assumes

1. isolated magnetic poles

2. hypothetical isolated magnetic poles

3. both of these

4. none of these

Option 2 – hypothetical isolated magnetic poles

We covered all the magnetism MCQ class 8 above in this post for free so that you can practice well for the exam.

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