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Magnetism Quiz Review (Part 2)
Test Description: These questions will help you prepare for Wednesday's Quiz.
Instructions: Answer all questions to get your test result.
1) Electromagnetism is best described as:
A
none of the above.
B
the way magnets occur naturally.
C
a really difficult word to spell.
D
the interaction between electricity and magnetism.
2) A coil of wire that produces a magnetic field when carrying an electric current is known as:
A
none of the above
B
a bar magnet
C
a solenoid
D
a ferromagnet
3) Which of the following would produce the strongest electromagnet?
A
iron nail with a d cell battery and 20 tightly wrapped wire coils around the nail
B
iron nail with a d cell battery and 30 tightly wrapped wire coils around the nail
C
iron nail with a d cell battery and 10 tightly wrapped wire coils around the nail
D
iron nail with a d cell battery and 40 tightly wrapped wire coils around the nail
4) An electromagnet is made up of a solenoid wrapped around a(n) ______ core.
A
iron
B
silver
C
cobalt
D
nickel
5) Which of the following is an excellent example of electromagnet applications?
A
Bar Magnet
B
Horseshoe Magnet
C
None of the above
D
Doorbell
6) What does a galvanometer measure?
A
current
B
resistance
C
voltage
D
magnetic power
7) A transformer increases or decreases the _______ of alternating current
A
resistance
B
none of the above
C
voltage
D
current
8) Electric generators change
A
mechanical energy to electrical energy.
B
mechanical energy to kinetic energy.
C
kinetic energy to mechanical energy.
D
electrical energy to mechanical energy.
9) An electric motor changes
A
electrical energy to mechanical energy.
B
mechanical energy to electrical energy.
C
kinetic energy to mechanical energy.
D
mechanical energy to kinetic energy.
10) Electricity and Magnetism are:
A
closely related and have many similar traits.
B
have nothing in common and should be taught separately.
C
have little in common and as such should not be studied in conjunction with one another.
D
none of the above.
*select an answer for all questions
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