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WorksheetsMultiple questions on Magnetism - Grade 9 Physics (H)
Total questions: 32
Worksheet time: 17mins
What do we call the region around a magnet where it exerts a magnetic force?
Magnetic zone
Magnetic field
Magnetic sphere
Magnetic realm
Maya is trying to do what with a material?
Magnetizing it
Demagnetizing it
Inducing it
Changing its polarity
What is the process of turning a non-magnetic material into a magnet called?
Magnetization
Demagnetization
Induction
Polarity
What is the term for a material that is neither attracted to nor repelled by a magnet?
Diamagnetic
Paramagnetic
Nonmagnetic
Antiferromagnetic
Which type of magnetism is like a magnet party where all the atoms are dancing in the same direction?
Diamagnetism
Paramagnetism
Ferromagnetism
Antiferromagnetism
The magnet is not attracted to materials such as:
Stainless steel
Plastic
Rubber
All of it
A permanent magnet should lose no more than ______ of its magnetic strength over a period of _______ -
provided it is cared for properly.
2 % / 2 years
20 % / 200 years
1 % / 100 Years
50 % / 5 years
Which material can Mia use to create a magnetic masterpiece?
Wood
Aluminum
Iron
Plastic
What is the SI unit of magnetic field strength?
Watt
Ampere
Tesla
Joule
What do we call a material that can keep its magnetism even after being magnetized and taken out of the magnetic field?
Temporary magnet
Permanent magnet
Electromagnet
Ferromagnet
The proses by which a magnetic material gain magnetism.
Single touch
Double touch
Electrical
All of it
What happens when a material spend time in a magnetic field?
The material becomes magnetized
The material becomes demagnetized
The material experiences induction
The material figures out its magnetic polarity
How can a magnet looses its magnetism?
Too much heat
By electrified
Rough handling
All of it
Magnets has two (2) poles - True of false
True
False
Both
None of it
Which type of magnet loses its magnetism after a while?
Temporary magnet
Permanent magnet
Electromagnet
Ferrimagnet
Which law states that like magnetic poles repel each other and unlike magnetic poles attract each other?
Gauss's Law
Ampère's Law
Ohm's Law
Law of Magnetic Poles
A magnet has a _______________ around it.
Magnetic flux
Magnetic moment
Magnetic field
Magnetic torque
What is the process of reducing magnetization to zero?
Magnetization
Demagnetization
Induction
Polarity reversal
Which material is used to create a permanent magnet?
Iron
Nickel
Cobalt
Neodymium
The magnetic field is ______________ the magnet.
in a circle
the same near or away from
weaker near
strong near
What is the force that acts on a charged particle in a magnetic field?
Magnetic force
Electric force
Gravitational force
Nuclear force
The geomagnetic S pole is near the geographic ________________.
True South Pole
South Pole
True North Pole
North Pole
The magnetic field is __________________ from the magnet.
longer further
weaker further away
weaker closer
slower further
______________ are found in the earth.
Strong magnets
Natural magnets
Slow magnets
Man made magnets
Which material is commonly used as the core in electromagnets due to its high magnetic permeability?
Aluminum
Copper
Iron
Silver
_________________ are developed in a lab
Weak magnets
Strong magnets
Man-made magnets
Natural magnets
The attraction of a magnet can be produced over a distance.
True or false?
Maybe
False
Sometimes
True
What do we call it when a material stops being magnetic?
Magnetization
Demagnetization
Curie temperature
Hysteresis
A freely suspended magnet always points in a _________________ direction
north-east
north-west
west-south
north-south
Which law explains the connection between magnetic field and electric current?
Gauss's Law
Ampère's Law
Faraday's Law
Lenz's Law
Which type of magnetism arises from the alignment of neighboring atomic magnetic moments in the same direction?
Diamagnetism
Paramagnetism
Ferromagnetism
Antiferromagnetism
Which country first discovered the compass?
(a)
