Home
E-Books
Jobs
News
Results
Competition Exams
Admissions
Generate Test
Make Quiz
mcqs of
,
1 : Magnetic lines of force:
A
:
are always directed in a straight line
B
:
(b) cross one another
C
:
(c) enter into the north pole
D
:
(d) enter into the south pole
2 : Which one of the following is not a magnetic material?
A
:
(a) Cobalt
B
:
(b) Iron
C
:
(c) Aluminum
D
:
(d) Nickel
3 : Permanent magnets are used in:
A
:
(a) circuit breaker
B
:
(b) loudspeaker
C
:
(c) electric crane
D
:
(d) magnetic recording
4 : Permanent magnets cannot be made by:
A
:
(a) soft iron
B
:
(b) steel
C
:
(c) neodymium
D
:
(d) alnico
5 : A common method used to magnetise a material is:
A
:
(a) stroking
B
:
(b) hitting
C
:
(c) heating
D
:
(d) placing inside a solenoid having A.C
6 : If the north pole of one is placed near the wouth pole of other the poles will attract ,we can say that :
A
:
Like poles repel and unlike pole attract
B
:
both a and b
C
:
none of these
D
:
Unlike pole repel and like pole attract
7 : How many method use for magnetizing a steel bar?
A
:
2
B
:
4
C
:
5
D
:
3
8 : The steel bar can be stroked in way:
A
:
4
B
:
5
C
:
2
D
:
3
9 : Soft iron is generally used in?
A
:
the ion generally used in
B
:
the cores of transformers
C
:
electromagnets
D
:
Both A and B
10 : Electromagnets is widely used in :
A
:
Electric bells
B
:
Loud speaks
C
:
All of these
D
:
picking and releasing iron scarp
11 : Soft ion has magnetic permeability?
A
:
Low
B
:
high
C
:
extreme low
D
:
extreme high
12 : Which materials exhibit magnetic domain?
A
:
Only permanent materials
B
:
only diamagnetic materials
C
:
ferromagnetic materials
D
:
All magnetic materials
13 : What is magnetic domain?
A
:
A singe atm with magnetic properties
B
:
A type of magnetic fields
C
:
A group of atoms
D
:
A ferromagnetic materials
14 : If we increase the number of cells in the battery of increase the number of th coil, we will observe:
A
:
No change in magnetic field
B
:
Magnetic field increase
C
:
magnetic field decrease
D
:
0.9 per magnetic field increase
15 : Magnetic relay is a type of _________ which work an electromagnet.
A
:
Current
B
:
Current –circuit
C
:
magnet
D
:
Switch
16 : soft ion is used to male:
A
:
Temporary magnets
B
:
office pins
C
:
all of these
D
:
paper clips
17 : Theory of magnetism is suggest by :
A
:
Boar
B
:
Mendeleev
C
:
Domain
D
:
Maglev’s
18 : What is the size of magnetic domain?
A
:
1cm
B
:
0.1cm
C
:
1mm
D
:
1m
19 : In japan, a bullet train can upon a speed of?
A
:
200km
B
:
400km
C
:
420km
D
:
500km
20 : Each domain behaves as a magnet with its own North an south poles:
A
:
Parallel
B
:
Small
C
:
Maximum
D
:
big
21 : Th magnetism induced in a ferromagnetic material can be surprisingly large in th presence of:
A
:
Weak external field
B
:
Weak external field
C
:
strong internal field
D
:
strong external field
22 : Circuit breakers protected appliances from:
A
:
burning
B
:
Current
C
:
electricity
D
:
power surges
23 : Which materials exhibit magnet domains?
A
:
Only paramagnetic materials
B
:
Only diamagnetic materials
C
:
ferromagnetism materials
D
:
A group of atoms
24 : A wonderful use of electromagnets seen in:
A
:
first law of motion
B
:
second law of motion
C
:
third law of motion
D
:
momentum
25 : Magnates is a hat acts ate distance upon a magnetic materrrrials:
A
:
Magnets
B
:
Force
C
:
Poles
D
:
String
26 : Electric meter is the ____________ process of electricity generator.
A
:
Forward
B
:
Reverse
C
:
Previous
D
:
Both a and c
27 : Electromagnets are also kind of :
A
:
Temporary
B
:
Both a and b
C
:
none of these
D
:
permanent magnets
28 : Those materials which used in magnetic materials are attached to the: A) Those materials which used in magnetic materials are attracted to the:
A
:
Magnets
B
:
Force
C
:
Poles
D
:
String
29 : The lines that correspond to the path off the filling these lines are:
A
:
poles lines of force
B
:
parallel lines
C
:
distance lines of fore
D
:
magnetic lines of force
30 : Magnets has ____________ properties.
A
:
Nine
B
:
Two
C
:
Four
D
:
None of these
31 : The end of the magnet that points north is known as:
A
:
North magnetics pole
B
:
South magnetics pole
C
:
Identification of Magnet
D
:
Magnetics End
32 : the pattern of a magnet field around a bar magnet can be seen by a simple experiment:
A
:
with very difficulty
B
:
with very hard
C
:
with very easily
D
:
with very normal
33 : Electromagnets are also good example of :
A
:
temporary
B
:
permanent magnet
C
:
Electromagnet
D
:
Magnetic field
34 : How many main types of perment magnet’s?
A
:
Three
B
:
seven
C
:
six
D
:
four
35 : Who materials can be made a magnet:
A
:
Like poles
B
:
Unlike poles
C
:
Magnetic poles
D
:
Steel and ion
Chapter 8 : Magnetism
Physics 9th MCQs || Ilam Ghar
Physics 9th
