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