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Electricity, Magnetism, And Thermal Energy TEST
Test Description: This is a practice test for review of Electricity, Magnetism, and Thermal Energy TEST.
Instructions: Answer all questions to get your test result.
1) An area surrounding a charged particle is called a(n)_____________.
A
None of the above
B
motor
C
electric field
D
mechanical field
2) Heat energy transfers from an area of _________ temperature to an area of _________
A
Both 1 and 2
B
lower / higher
C
higher / lower
D
Neither 1 or 2
3) The transfer of heat through space without particles of matter colliding or moving to transfer the energy is called ___________.
A
convection
B
conduction
C
None of the above
D
radiation
4) When a motor is used, ______ energy is converted into ______ energy.
A
electrical / mechanical
B
mechanical / electrical
C
electrical / heat
D
mechanical / heat
5) A _____ would be a good material to use as the iron core when creating an
A
toothpick
B
nail
C
All of the above
D
straw
6) All of the materials listed are good conductors of electricity except _____.
A
nail
B
aluminum foil
C
copper wire
D
straw
7) All of the materials listed are good insulators of electricity except _____.
A
paper
B
gold
C
wax
D
glass
8) The more loops (coils) a wire is wrapped around the iron core of an electromagnet, the ________.
A
greater the insulating factor.
B
weaker the magnetic force.
C
number of coils makes no difference.
D
stronger the magnetic force.
9) Like poles of a magnet ______.
A
do nothing
B
change polarity
C
repel
D
attract
10) __________ is the type of thermal energy transfer that moves in a current motion.
A
None of the above
B
Conduction
C
Radiation
D
Convection
*select an answer for all questions
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