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Samuels PS Magnetism I
Test Description: Physical Science Magnetism I.
Instructions: Answer all questions to get your test result.
1) Areas of concentrated magnetism with opposite properties are known as ____.
A
force
B
flux
C
spheres
D
poles
2) Imaginary lines that indicate the direction and strength of a magnetic field.
A
lines a magnets
B
line of field
C
lines of flux
D
lines of force
3) Which of the following are not magnetically permeable substances?
A
iron
B
nickel
C
cobalt
D
copper
4) What law says that the force between magnetic poles is directly related to poles strengths?
A
Law of Magnetic Force
B
Domain Theory
C
Law of Conservation of Charge
D
Law of Magnetic Poles
5) What is a train that levitates above magnetized tracks in order to travel at high speeds?
A
light rail
B
high speed rail train
C
freight train
D
maglev train
6) An object capable of attracting materials by magnetic force is called:
A
magnet
B
charged object
C
electrolytic object
D
electrolyte
7) What is the most important cause of magnetism in magnetic materials?
A
electron spin
B
neutron heat
C
proton neutrality
D
unmoving particles
8) A group of aligned atoms having a single magnetic field.o
A
electrons
B
proton
C
dominions
D
domains
9) The more unpaired electrons per atom a substance has the _____ magnetic that substance will be.
A
equally
B
less
C
not enough information
D
more
10) What law/theory states that the magnetic field of a magnet is the sum of the fields of thousands of domains?
A
law of magnetic force
B
law of conservation of charge
C
pole theory
D
domain theory
*select an answer for all questions
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