WorksheetsMagnetic properties
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
What is the magnetic property of iron?
a)
Ferromagnetic
b)
Paramagnetic
c)
Diamagnetic
d)
Ferrimagnetic
e)
None of the Above
2.
Magnetic materials are classified into ___.
a)
3 types
b)
4 types
c)
5 types
d)
6 types
e)
2 types
3.
Which substance is not affected by a magnetic field?
a)
Copper
b)
Iron
c)
Nickel
d)
Cobalt
e)
Aluminium
4.
What is the unit of magnetic field strength?
a)
Ampere/meter
b)
Tesla
c)
Weber
d)
Joule/meter
e)
Coulomb
5.
The magnetic susceptibility of a diamagnetic substance is ___.
a)
Positive
b)
Negative
c)
Zero
d)
Both Positive & Negative
e)
None of the Above
6.
In a ferromagnetic material, domains are ___ aligned.
a)
Randomly
b)
Parallel
c)
Anti-parallel
d)
Both Parallel & Anti-Parallel
e)
Perpendicular
7.
Hysteresis loss occurs due to ___.
a)
Rapid Change in Magnetism
b)
Slow Change in Magnetism
c)
Steady State Magnetism
d)
None of the Above
e)
All of the Above
8.
What is Curie temperature?
a)
Ferromagnetic to Paramagnetic
b)
Ferromagnetic to Diamagnetic
c)
Paramagnetic to Diamagnetic
d)
Ferrimagnetic to Ferromagnetic
e)
None of the Above
9.
Earth's magnetic field is closest to which type of magnet?
a)
Bar Magnet
b)
Horseshoe Magnet
c)
Circular Magnet
d)
Permanent Magnet
e)
Temporary Magnet
10.
The relative permeability of a magnetic material is ___.
a)
>1
b)
<1
c)
=1
d)
None of the Above
11.
In magnetism, Lenz's law is related to which of the following?
a)
Magnetic Flux
b)
Magnetic Field Strength
c)
Electromagnetic Induction
d)
Magnetic Permeability
e)
Magnetic Moment
12.
Soft magnetic materials have ___ coercivity.
a)
Low
b)
High
c)
Zero
d)
Infinite
e)
Negative
13.
Which material shows magnetic properties only in the presence of an external field?
a)
Ferromagnetic
b)
Paramagnetic
c)
Diamagnetic
d)
Ferrimagnetic
e)
None of the Above
14.
An anti-ferromagnetic substance has a Neel temperature below which it becomes ___.
a)
Ferromagnetic
b)
Paramagnetic
c)
Diamagnetic
d)
Ferrimagnetic
e)
None of the Above
15.
Which law states that the magnetization of a given material is the magnetic field divided by the magnetizing field?
a)
Ampere's law
b)
Coulomb's law
c)
Ohm's law
d)
Biot-Savart law
e)
Gauss's law
16.
Magnetic domains are observed in ___.
a)
Ferromagnetic Materials
b)
Paramagnetic Materials
c)
Diamagnetic Materials
d)
All Magnetic Materials
e)
Non-Magnetic Materials
17.
What happens to a paramagnetic substance at absolute zero?
a)
Becomes Ferromagnetic
b)
Becomes Diamagnetic
c)
Remains Paramagnetic
d)
Becomes Non-Magnetic
e)
None of the Above
18.
The alignment of magnetic moments in an anti-ferromagnetic material is ___.
a)
Random
b)
Parallel
c)
Anti-parallel
d)
Perpendicular
e)
None of the Above
19.
Which pole of a magnetic compass points towards the geographical North?
a)
North
b)
South
c)
East
d)
West
e)
None of the Above
20.
What does the magnetic moment of a substance depend on?
a)
Spin of Electrons
b)
Orbital Motion of Electrons
c)
Both Spin & Orbital Motion
d)
None of the Above
e)
All of the Above
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