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- 1. Multiple Choice
____________________________ is a continuous flow of electric charges (electrons).
Current
Voltage
Resistance
- 2. Multiple Choice
The SI unit for electric current is the __________________________________
Ampere (Amp)
Volt
Ohm
- 3. Multiple Choice
A difference in electric potential energy is called _________________________
Current
Voltage
Resistance
- 4. Multiple Choice
The SI unit for voltage is the ________________________
Ampere (Amp)
Volt
Ohm
- 5. Multiple Choice
In physics, ___________________________ is opposition to the flow of electric charges in an electric current as it travels through matter.
Current
Voltage
Resistance
- 6. Multiple Choice
The SI unit for resistance is the _______________________________.
Ampere (Amp)
Volt
Ohm
- 7. Multiple Choice
Materials that conduct electricity very easily are called
conductors
insulators
extenders
- 8. Multiple Choice
Materials that resist the flow of electric current are called
conductors
insulators
extenders
- 9. Multiple Choice
Examples of conductors include: copper, silver, gold, iron and steel.
True
False
- 10. Multiple Choice
Examples of insulators include: cotton, rubber, paper, and glass.
True
False
- 11. Multiple Choice
This is an example of a series circuit.
True
False
- 12. Multiple Choice
A circuit that consists of single loop is called a __________________________.
series circuit
parallel circuit
a loop-de-loop
cycle
- 13. Multiple Choice
A circuit that has more than one path is called a _________________________.
series circuit
parallel circuit
double cycle
a dead-end circuit
- 14. Multiple Choice
If a bulb is removed from this circuit, the other bulb will
go out
still glow
glow brighter
dim
- 15. Multiple Choice
If a bulb is removed from this circuit, the other bulb will
go out
still glow
dim
burn out
- 16. Multiple Choice
How many bulbs will light in this circuit?
zero
one
two
- 17. Multiple Choice
How many bulbs will light in this circuit?
zero
one
two
- 18. Multiple Choice
Why will this circuit not work?
it is not a close loop.d
the positive terminal of the battery is not in the loop
the bulb is burned out.
the bulb is not connected
- 19. Multiple Choice
How many bulbs will light in this circuit?
zero
one
two
- 20. Multiple Choice
Adding a second battery to the circuit will
make the bulbs glow brighter
make the bulbs dim
make the bulbs go out
will make the light last longer
- 21. Multiple Choice
Most conductors are
metals
nonmetals
insulators
metalloids
- 22. Multiple Choice
Insulators are
metals
nonmetals
metalloids
alloys
- 23. Multiple Choice
How many bulbs will light in the circuit shown?
zero
one
two
three
- 24. Multiple Choice
Why does the light intensity change as you add more bulbs to the series circuit?
the power is shared.
the battery is weakening.
a bulb has burned out
the bulbs are too hot
- 25. Multiple Choice
If holiday lights on a string are connected to each other in series, what will happen to the rest if one bulb burns out?
They all go out.
They will all still glow.
It will catch on fire.
They will start blinking.
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