Glencoe Science Level Red

Chapter 7: Electricity and Magnetism

Section 3 Self-Check Quiz-Eng.

1
Which of these is true about a permanent magnet?
A)Its domains are lined up.
B)It contains an iron core.
C)Preservation
D)It contains a current-carrying wire.
2
What surrounds an electric current?
A)magnetic field
B)electromagnet
C)charge
D)electric circuit
3
A(n) _______ is made of a current-carrying wire wrapped around an iron core.
A)electric current
B)electromagnet
C)insulator
D)conductor
4
Which of the following does not describe the magnetic force between two magnets?
A)The like poles repel.
B)It decreases as the magnets move apart.
C)The unlike poles attract.
D)The like poles attract.
5
A group of atoms that have their magnetic poles pointing in the same direction is called a(n) _______.
A)electric current
B)electromagnet
C)magnetic domain
D)voltage
6
Which of these does a simple generator rotate to produce current?
A)a wire loop
B)a battery
C)a magnet
D)a domain
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