Magnetic Effects of Current and Magnetism-Para, Dia and Ferro-Magnetic Substances (NEET Physics): Questions 1 - 7 of 18

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Question number: 1

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

If a magnetic substance is kept in a magnetic field, then which of the following substance is thrown out?

Choices

Choice (4) Response

a.

Antiferromagnetic

b.

Paramagnetic

c.

Diamagnetic

d.

Ferromagnetic

Question number: 2

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

Diamagnetic substances are

Choices

Choice (4) Response

a.

Feebly attracted by magnets

b.

Strongly repelled by magnets

c.

Feebly repelled by magnets

d.

Strongly attracted by magnets

Question number: 3

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

Assertion-Reason▾

Assertion (Ꭺ)

The earth magnetic field due to iron present in the core.

Reason (Ꭱ)

At very high temperature, iron is no longer ferromagnetic.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is false but Ꭱ is true

Question number: 4

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

A diamagnetic material in a magnetic field moves

Choices

Choice (4) Response

a.

Perpendicular to the field

b.

From stronger to the weaker parts of the field

c.

From weaker to the stronger parts of the field

d.

None

Question number: 5

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

Which of the following is the most suitable for the core of electromagnets?

Choices

Choice (4) Response

a.

Air

b.

Steel

c.

Soft iron

d.

Copper-nickel alloy

Question number: 6

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

The magnetic moment of atomic neon is

Choices

Choice (4) Response

a.

Zero

b.

μB2

c.

3μB2

d.

μB

Question number: 7

» Magnetic Effects of Current and Magnetism » Para, Dia and Ferro-Magnetic Substances

MCQ▾

Question

The given figure represents a material which is

Material in magnetic field given above

Material in Magnetic Field Given Above

Here as shown in figure, a material place in magnetic field. Very few lines pass through inside the material, others are curved at material.

Choices

Choice (4) Response

a.

Paramagnetic

b.

Diamagnetic

c.

None

d.

Ferromagnetic

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