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3rd Q Exam Review
Test Description: Electricity
Instructions: Answer all questions to get your test result.
1) Find the current passing through a 60.0W lightbulb when 120V is required to operate it
A
2.0A
B
7200A
C
0.50A
D
60A
2) If a heater generates 325W of power when a 6.0A current goes through it, what is the resistance? (2part problem)
A
54ohms
B
4.5ohms
C
88ohms
D
9.0ohms
3) If a heater generates 275W of power when a 6.0A current goes through it, what is the resistance?
A
46ohms
B
0.022ohms
C
7.6ohms
D
1650ohms
4) Several bulbs are wired so that there is a single path for the flow of current. What type of circuit is this?
A
an open circuit
B
a parallel circuit
C
a short circuit
D
A series circuit
5) several bulbs are wired so that there are multiple paths for the flow of electric current. What type of circuit is this?
A
parallel circuit
B
series circuit
C
an open circuit
D
a short circuit
6) Objects become charged from the transfer of
A
electrons
B
protons
C
they don't become charged
D
neutrons
7) The rate at which charges move through the wire is described as
A
current
B
resistance
C
voltage
D
power
8) The potential difference. What 'pushes' charges through a circuit
A
resistance
B
current
C
power
D
voltage
9) when electrical current is slowed down as it travels through the wire
A
resistance
B
current
C
power
D
voltage
10) Electric force and gravitational force are similar because
A
they both require mass
B
they are field forces
C
they both require charge
D
objects have to touch for it to be present
11) The energy provided by the battery for the circuit is a result of
A
the gravitational field created in the battery
B
a magnetic field the battery makes inside of it
C
a chemical reaction
D
a permanent magnet inducing current in the battery
12) A current that changes direction regularly is called
A
alternating current (AC)
B
rapid current (RC)
C
changing current (CC)
D
Direct current (DC)
13) current that flows in one direction
A
Direct current (DC)
B
alternating current (AC)
C
changing current (CC)
D
rapid current (RC)
*select an answer for all questions
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