-Choose the correct answer by clicking on your answer choice. Only one answer is correct. (2 pts. each)
Question 1
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Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 9
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Question 10
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Question 14
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Question 15
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Question 17
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Question 18
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Question 19
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Question 20
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Question 21
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Question 22
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Question 23
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Question 24
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Question 25
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COMPLETION
-Complete the following questions by selecting the correct answer from the word bank. Misspelled words will be marked as incorrect. Some answers may be used more than once, others may not be used at all. (2 pts. each)
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 26
26.
A device that increases or decreases the voltage of alternating current is a(n) ____________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 27
27.
Any material that attracts iron or materials containing iron is called a(n) ______________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 28
28.
The process of creating a current in a circuit by changing a magnetic field is called ____________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 29
29.
The interaction between electricity and magnetism is called ______________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 30
30.
A device that converts electrical energy into mechanical energy is called a(n) ______________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 31
31.
A device that converts mechanical energy into electrical energy is called a(n) _____________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 32
32.
One of two points with opposing magnetic qualities is called a(n) ________________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 33
33.
An attraction or repulsion caused by spinning electric charges is a(n) ________________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 34
34.
A coil of wire containing an electric current is a(n) ______________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 35
35.
A coil of wire with an iron core that becomes magnetized when a current is introduced is known as a(n) ________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 36
36.
A ________ has two poles, exerts magnetic forces and is surrounded by a magnetic field.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 37
37.
Each end of a bar magnet is a ____________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 38
38.
An electric motor uses ___________ to change electrical energy into mechanicaal energy.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 39
39.
The relationship between electricity and magnetism is known as ________________.
Word Bank
magnet magnetic pole magnetic force electromagnetism solenoid electromagnet electric motor electromagnetic induction electric generator transformer
Question 40
40.
A wire carrying current will cause a compass needle to move due to the ____________.
MATCHING
-Complete the following matching questions by clicking on the correct answer. Only one answer is correct. (2 pts. each)
Question 41
41.
Question 42
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Question 43
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Question 44
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Question 45
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Question 46
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Question 47
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Question 48
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Question 49
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Question 50
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Do NOT forget to turn in this assignment on Google Classroom after you have submitted it here! No credit will be awarded for unsubmitted assignments.
Whether a material is magnetic or not depends on which of the following?
A. the material’s weight
B. the material’s mass
C. the material’s atoms
D. the material’s density
As electrons move, they make
A. electromagnetism.
B. magnetic fields.
C. ferromagnetism.
D. auroras.
A compass needle responds to a magnetic field, because the compass needle is a
A. transformer.
B. generator.
C. motor.
D. magnet.
What is created when a magnet moves through a coil of wire?
A. an electric current
B. an electromagnet
C. a solenoid
D. a ferromagnet
What is created when a wire moves between the poles of a magnet?
A. an electric current
B. an electromagnet
C. a solenoid
D. a ferromagnet
What can demagnetize a magnet?
A. high altitudes
B. low altitudes
C. high temperatures
D. low temperatures
A coil of wire with an electric current in it is called a(n)
A. transformer.
B. electric generator.
C. electric motor.
D. solenoid.
A coil of wire that has a soft iron core and that acts as a magnet when an electric current is in the coil is called a(n)
A. ferromagnet.
B. electromagnet.
C. permanent magnet.
D. temporary magnet.
Increasing the number of loops per meter in the coils of a solenoid is one way to
A. increase the wire’s electric current.
B. decrease the wire’s electric current.
C. strengthen the solenoid’s magnetic field.
D. weaken the solenoid’s magnetic field.
Increasing the electric current in the wire is one way to
A. strengthen a solenoid’s magnetic field.
B. weaken a solenoid’s magnetic field.
C. make a solenoid become an electromagnet.
D. make an electromagnet become a solenoid.
What did Faraday’s experiments with magnets and electromagnetic induction demonstrate?
A. Strong electromagnets make electric current.
B. Electric current is made when the magnetic field changes.
C. Strong electric current makes electromagnets.
D. Magnetic fields are made when the electric field changes.
What can you make visible by sprinkling iron filings around a magnet?
A. the areas called domains
B. the magnetic field lines
C. the magnetic forces
D. the north and south poles
How does a galvanometer make use of the relationship between electric current and magnetic fields?
A. Galvanometers generate electric current.
B. Galvanometers change AC to DC.
C. Galvanometers use magnets to detect current.
D. Galvanometers use magnets to convert current into other forms of energy.
Which of the following is NOT true about an electromagnet?
A. It can be strong enough to levitate a train.
B. The current may be turned on or off.
C. Its strength is reduced by adding more loops per meter.
D. It consists of an iron core and a current-carrying wire.
What metal is used to make ferromagnets?
A. iron
B. cobalt
C. nickel
D. all of the above.
Which of the following will induce an electric current in a wire?
A. moving a magnet into a coil of wire
B. moving a wire between the poles of a magnet
C. turning a loop of wire between the poles of a magnet
D. all of the above
In the region around a magnet in which magnetic forces act exists the
A. magnetic field.
B. domain.
C. pole.
D. solenoid.
An electric fan has an electric motor inside to change
A. mechanical energy into electrical energy.
B. thermal energy into electrical energy.
C. electrical energy into thermal energy.
D. electrical energy into mechanical energy.
The marked end of a compass needle always points directly to
A. Earth's geographic South Pole.
B. Earth's geographic North Pole.
C. a magnets south pole.
D. a magnets north pole.
A device that increases the voltage of an alternating current is called a(n)
A. electric motor.
B. galvanometer.
C. step up transformer.
D. step down transformer.
What do you end up with if you cut a magnet in half?
A. one north pole piece and one south pole piece
B. two unmagnetized pieces
C. two pieces each with a north pole and a south pole
D. two north pole pieces
Each end of a bar magnet is a(n)
A. magnetic force.
B. magnetic pole.
C. electric generator.
D. transformer.
A _________ converts mechanical energy into electrical energy.
A. magnetic force
B. magnetic pole
C. electric generator
D. transformer
This occurs when an electric current is made by a changing magnetic field.
A. electromagnetic flux
B. electromagnetic resonance
C. electromagnetic induction
D. electromagnetic rebound
This device increases or decreases the voltage of alternating current.
A. magnetic force
B. magnetic pole
C. electric generator
D. transformer
A device that increases or decreases the voltage of alternating current.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
Any material that attracts iron or materials containing iron.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
The process of creating a current in a circuit by changing a magnetic field.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
The interaction between electricity and magnetism.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
A device that converts electrical energy into mechanical energy.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
A device that converts mechanical energy into electrical energy.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
One of two points, such as the ends of a magnet, that have opposing magnetic qualities.
A. magnet
B. magnetic pole
C. magnetic force
D. electromagnetism
E. solenoid
F. electromagnet
G. electric motor
H. electromagnetic induction
I. electric generator
J. transformer
The attraction or repulsion created by spinning electric charges.