This document provides questions and multiple choice answers related to electricity and circuits. It includes questions about voltage, current, resistance, series and parallel circuits, and other electrical concepts. The questions would be used as part of a game show format where players come up to answer questions for the chance to shoot basketballs for points.

1. Electricity Trashketball Review
How to play:
1. One representative from each team will come
to the front to compete
2. Both players will answer the question on the
whiteboard folder
3. Players with the correct answer will be given a
chance to shoot for points.
4. Player will choose to shoot from the 1, 2 or 3
point line.
5.

2. As Emile stood touching the VDG, his hair began
to stand on end and spread out. This was most
likely due to
(a) his hair strands being attracted to the VDG
(b) his hair strands being repelled by the VDG
(c) his hair strands being attracted to each other
(d) his hair strands being repelled by each other

3. Balloon A was rubbed on someone’s hair. How
would balloon A best be described?
(a) neutral
(b) electrically discharged
(c) electron-filled
(d) statically charged
A B

4. If the negative surface of balloon A is brought near
balloon B, what is likely to happen to the charges on
balloon B?
(a) Negative charges will move away from balloon.
(b) Positive charges will move away from balloon.
(c) All charges will move away from balloon A.
(d) All charges will move toward balloon A.
A B

5. The downed power line was part of a circuit that
provided electricity to homes. These homes are
now without power because
(a) Their supply of electrons has run out.
(b) Their supply of protons has run out.
(c) The flow of current in the circuit has been
interrupted.
(d) The interruption caused circuit breakers in
the homes to trip.

6. A bulb is added to a circuit. When you place your
hand near the bulb, it feels warm. The bulb in the
circuit would be most accurately identified as a
(a) conductor
(b) load
(c) terminal
(d) insulator

7. What is the primary difference between a dry cell
and a wet cell?
(a) A dry cell is designed for use in dry locations;
a wet cell is designed for use in wet locations.
(b) A wet cell is much smaller and is commonly
found in personal electronic devices.
(c) The electrolyte in a dry cell is made of paste;
in a wet cell, it is a liquid.
(d) Wet cells are very difficult to make; dry cells
can be easily made from common materials.

8. In testing a toy with two light bulbs, a student
noted that taking out one of the bulbs would
cause the other bulb to go out. This is because
(a) the bulbs are connected in parallel with each
other
(b) the bulbs are connected in series with each
other
(c) the circuit draws too much current when a
bulb is disconnected
(d) the batteries in the toy had lost their charge

9. A battery supplies 6.0 V to a circuit containing a
single light bulb. There are 0.40 A flowing in the
circuit. What is the resistance of the bulb?
(a) 0.4 Ω
(b) 2.4 Ω
(c) 6.0 Ω
(d) 15 Ω

10. Which of the following is the equivalent of two 30-
Ω resistors in series?
(a) 15 Ω
(b) 30 Ω
(c) 60 Ω
(d) 900 Ω

11. Students measure a 12 V potential difference
across a 9.0-Ω resistor in a circuit. What is the
current flowing through the resistor?
(a) 0.75 A
(b) 1.3 A
(c) 9.0 A
(d) 12 A

12. What is the voltage drop across a 270-Ω resistor
that has a current of 0.30 A flowing through it?
(a) 6.0 V
(b) 9.0 V
(c) 36 V
(d) 81 V

13. If an object is repelled by a negatively charged
substance, the object has/is
a) positive charge
b) opposite charge
c) neutral
d) negative charge
e) impossible to say what charge is on the object

14. Which statement correctly describes an atom?
a) electrons orbit around the protons and neutrons
b) protons orbit around the electrons and neutrons
c) neutrons orbit around the protons and electrons
d) electrons, neutrons and protons are mixed
together
e) protons occupy energy levels around a
negative nucleus

15. An object that does not conduct electric charges
is called a
a) conductor
b) electrolyte
c) semiconductor
d) electrode
e) insulator

16. The amount of current flowing through a circuit is
measured in:
a) volts
b) watts
c)ohms
d) amps
e) electrons

17. What type of meter measures only potential
difference?
a) voltmeter
b) ammeter
c) galvanometer
d) multimeter
e) ohmmeter

18. I. Circuit A is a parallel circuit
II. Circuit B is a series circuit
III. Disconnecting one bulb in A will force all
light bulbs to go dark
IV. If the battery in B has a potential difference
of 9 volts, all bulbs also have a potential
difference of 9 volts.
Which of the following are true?
a) I only
b) III , IV only
c) I, II only
d) None of them
e) All of them

19. The load in an electric circuit
A. is the source of electric energy
B. can turn the circuit on or off by closing or
opening the circuit
C.is the wire through which electric current
flows
D.transforms electrical energy into other forms
of energy

20. Two light bulbs are connected in parallel to a
source of constant voltage. If one of the
bulbs is unscrewed, the voltage across the other
bulb will
A.double
B.halve
C.remain the same
D.become zero

21. How many volts does a 1000 watt toaster need if
it draws 10 A of current?
A. 10000 watts
B. 100 volts
C. 10 volts
D. 10000 volts

22. A lemon will produce voltage.
A. True
B. False

23. A current of electrons will best move through
A. plastic
B. glass
C. metal
D. rubber

24. Which device would you use to measure the
current in an electric circuit?
A. voltmeter
B. ammeter
C. ohmmeter
D. resistor

25. When electricity is conducted in a wire, the
particles that actually move along the wire are:
A. neutrons
B. protons
C. electrons
D. atoms

26. An appliance has a power rating of 4.8 kW. If
electricity costs $0.065 per kW∙h, how much does
it cost to leave the appliance operating for 4.5
hours?
A. $0.312
B. $1.40
C. $69.33
D. $312.00

27. Which statement best describes the use of an
electroscope?
(a) The display on the electroscope is read to
determine the charge in coulombs.
(b) The movements of the leaves of the
electroscope are used to determine the sign and
relative magnitude of the charge.
(c) The electroscope can be used to distinguish
between an object charged by contact and one
charged by induction.
(d) The electroscope leaves show the current
flow in the circuit.

28. How is an ammeter supposed to be wired into a
circuit?
A. In parallel
B. In series
C. It doesn’t matter – either way will provide an
accurate reading
D. Across the battery

29. Which of the following is the best estimate of the
energy used by a 0.1 kW light bulb that is used to
light a porch 12 hours per night for 30 days?
A. 3.6 kW∙h
B. 36 kW∙h
C. 120 kW∙h
D. 1.2 kW∙h

30. The current drawn by a kettle is 12 A and is
plugged into a 120 V outlet. What is the
resistance of the heating element in the kettle?
A. 0.10 Ω
B. 1200 Ω
C. 12 Ω
D. 10 Ω
E. 1440 Ω

31. What current is needed to operate a device that
has a resistance of 24 Ω if the source has a
voltage of 120 V?
A. 2880 A
B. 0.20 A
C. 5.0 A
D. 10 A

32. The filament of a light bulb has a resistance of
240 Ω. If it requires a current of 5 A to operate at
full brightness, what voltage must be applied to
the light bulb?
A. 120 V
B. 480 V
C. 240 V
D. 1200 V

33. If a 0.2 kW light is on for 15 hours, how many
kW∙h of energy does it use?
A. 3000 kW∙h
B. 3 kW∙h
C. 3,000,000 kW∙h
D. 10,800,000 watt seconds

34. Which of the EnerGuide labels below indicates
the highest cost of operation?

35. If 0.2 A is flowing in a circuit with a light bulb and
a 1.5 V battery, what is the resistance of the light
bulb?
A. 0.3 Ω
B. 0.75 Ω
C. 3 Ω
D. 7.5 Ω

36. How much power does a kettle use that draws 4
amperes at 120 volts?
A. 30 watts
B. 30 ohms
C. 480 watts
D. 480 joules

37. A 120 V appliance draws 20 A of current. How
much electrical energy does the appliance use in
120 minutes?
A. 2 400 J
B. 4 800 J
C. 288 000 J
D. 17 280 000 J