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Chapter 2 Electricity Sections 1 Through 3 Part A
Test Description: Static electricity and Electric Current
Instructions: Answer all questions to get your test result.
1) As in the case of unlike magnetic poles, unlike electric charges
A
attract each other.
B
repel each other.
C
exist in pairs.
D
do not interact.
2) The buildup of charges on an object is called
A
static electricity.
B
negative charge.
C
static discharge.
D
positive charge.
3) Clothes in a dryer acquire static cling by
A
conduction.
B
static discharge.
C
friction.
D
induction.
4) The loss of static electricity as electric charges move off an object is called
A
conduction.
B
static discharge.
C
induction.
D
friction.
5) Suppose you acquire a positive charge from walking across a carpet. You then touch a doorknob and receive a shock. This leaves you
A
electrically neutral.
B
uncharged.
C
positively charged.
D
negatively charged.
6) The type of energy that depends on position is called
A
magnetic energy.
B
solar energy.
C
potential energy.
D
electrical energy.
7) What causes charges to move in a circuit?
A
voltage
B
energy
C
magnetism
D
electricity
8) An electric current will always follow
A
a path toward the south pole.
B
the path of least resistance.
C
the path that leads through insulators.
D
a path toward the north pole.
9) The charge on a proton is
A
negative, and the charge on an electron is positive.
B
positive, and the charge on an electron is negative.
C
can change according to the situation.
D
the same as the charge on an electron.
10) An instrument that can detect the presence of an electric charge is a(n)
A
magnet.
B
generator.
C
conductor.
D
electroscope.
11) The electrons in an insulator are tightly bound to their atoms.
A
True
B
Don't care.
C
False
D
Don't know.
12) The strength of the electric field of a charged particle becomes greater as the distance from the particle
A
decreases.
B
increases.
C
blows up.
D
stays the same.
13) A device that creates a potential difference in an electric circuit is a(n)
A
conductor.
B
circuit.
C
voltage source.
D
insulator.
14) A complete, unbroken path through which electric charges can flow is a(n)
A
magnetic field line.
B
magnetic pole.
C
electrical resistance.
D
electric circuit.
15) Materials that allow the charges of an electric current to move freely through them are called
A
magnets.
B
insulators.
C
resistors.
D
conductors.
*select an answer for all questions
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