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19 questions
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- 1. Multiple Choice
What unit is used to measure voltage?
Ohms
Omega
Volts
Amps
- 2. Multiple Choice
What unit is used to measure current?
Ohms
Omega
Volts
Amps
- 3. Multiple Choice
What unit is used to measure resistance?
Ohms
Omega
Volts
Amps
- 4. Multiple Choice
Which is the right form of Ohm's Law?
V=I/R
V=R/I
I=V/R
I=R/V
- 5. Multiple Choice
What is not needed in order to create a working circuit?
battery (power source)
lightbulb
current
closed circuit
- 6. Multiple Choice
What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?
12 V
21 V
4/3 V
3/4 V
- 7. Multiple Choice
What is the current in a circuit with 6 ohms of resistance and a battery containing 24 Volts?
1/4 A
144 A
4 A
0.4 A
- 8. Multiple Choice
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
1/3 ohms
3 ohms
27 ohms
9 ohms
- 9. Multiple Choice
If all of the switches were closed, how many paths can the current take?
4
6
8
10
- 10. Multiple Choice
If switch 1 and 2 were open, which device(s) would turn on?
none
A and B
C, D, E, F, G
all of them
- 11. Multiple Choice
If switch 3 and 6 were open, which device(s) would turn on?
none
A, B, C
A, C, C, E, F
all of them
- 12. Multiple Choice
If switch 5 and 6 were open, which device(s) would turn on?
none
A, B, C, D, F, G
A, B, C, D, E
all of them
- 13. Multiple Choice
If switch 7 was open, which device(s) would turn on?
none
A, B, C, D, F, G
A, B, C, D, E
all of them
- 14. Multiple Choice
If switch 6 was open, which device(s) would turn on?
none
A, B, C, D, F, G
A, B, C, D, E
all of them
- 15. Multiple Choice
If switch 4 was open, which device(s) would turn on?
none
A, B, C, D, F, G
A, B, C, D, E
all of them
- 16. Multiple Choice
If a circuit had 4 D-Cell batteries (each 1.5 V) and a lightbulb with resistance of 2 ohms, what is the current that flows through the circuit?
2 A
3 A
6 A
8 A
- 17. Multiple Choice
What is voltage?
the amount of push the electrical source supplies to the circuit
how much a given device resists the flow of electric current
flow of electric charge
none of the above
- 18. Multiple Choice
What is current?
the amount of push the electrical source supplies to the circuit
how much a given device resists the flow of electric current
flow of electric charge
none of the above
- 19. Multiple Choice
What is resistance?
the amount of push the electrical source supplies to the circuit
how much a given device resists the flow of electric current
flow of electric charge
none of the above
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