Magnetism

Magnetism

University

35 Qs

quiz-placeholder

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Magnetism

Magnetism

Assessment

Quiz

Physics

University

Hard

Created by

Arun Vinod

Used 2+ times

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnetism in a material arises due to

spin motion of electron

orbital motion of electron

both orbital and spin motion of electron

nuclear magnetism

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Magnetic susceptibility for diamagnets are

large & positive

very small & negative

large & negative

small & positive

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hard magnets have

high retentivity & high Coercivity

low retentivity & high Coercivity

high retentivity & low Coercivity

low retentivity & low Coercivity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For Paramagnetic materials, Magnetic susceptibility & temperature are related as

χ α 1/T

χ α T

χ α T2

χ α T3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The earth behaves as a magnet with magnetic field pointing approximately from the geographic

(a) North to South

(b) South to North

(c) East to West

(d) West to East

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The strength of the earth’s magnetic field is

(a) constant everywhere.

(b) zero everywhere.

(c) having very high value.

(d) vary from place to place on the earths surface.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following independent quantities is not used to specify the earth’s magnetic field?

(a) Magnetic declination (θ).

(b) Magnetic dip (δ).

(c) Horizontal component of earth’s field (BH).

(d) Vertical component of earth’s field (BV).

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