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- 1. Multiple Choice
In the parallel circuit at right, it is certain that ---.
the ammeter shown reads 0.75 A
the voltmeter shown reads 9.0 V
the combined resistance is more than 24 Ω
the voltmeter shown reads 4.5 V
- 2. Multiple Choice
The diagram shows a ---.
series circuit
parallel circuit
combination circuit
tangent circuit
- 3. Multiple ChoiceThe picture shows an electrical circuit. This circuit is a series circuit because:It has 3 light bulbs.The same current flows through all three light bulbs.It uses a single battery.The electrical current is divided between the three light bulbs.
- 4. Multiple Choice
What is the equivalent resistance (a.k.a. total resistance) of the three resistors shown?
2.0 Ω
0.33 Ω
33.0 Ω
3.0 Ω
- 5. Multiple Choice
If one of the light bulbs in a series circuit is removed from its socket (the socket is left in place), what will happen to the other light bulbs?
The other light bulbs will stay lit with the same brightness
The other light bulbs will go out
The other light bulbs will burn brighter
Both light bulb will stay lit
- 6. Multiple Choice
If one of the light bulbs in a parallel circuit is removed from its socket (the socket is left in place), what will happen to the other light bulbs?
The other light bulbs will stay lit with the same brightness
The other light bulbs will go out
The other light bulbs will burn brighter
Both light bulb will stay lit
- 7. Multiple Choice
The circuit shown contains a battery, a 6.0 Ω resistor and two meters X and Y.
One meter records current and one meter records potential difference.
meter X : 2.0 A
meter Y : 12.0 V
meter X : 2.0 V
meter Y : 1.0 A
meter X : 12.0 A
meter Y : 2.0 V
meter X : 12.0 V
meter Y : 2.0 A
- 8. Multiple Choice
Look at figure 4. Ammeter A2 and A3 read the same value at 0.40 A. What is the reading on ammeter A1 (the one on top)?
0.40 A
0.20 A
0.80 A
0.00 A
- 9. Multiple Choice
What is the relationship between the readings on ammeters A1, A2 and A3?
A1 = A2 + A3
A3 = A1 + A2
A1 = A2 = A3
A3 = A1 - A2
- 10. Multiple Choice
Electric potential divided by current
(V / I) will be how you calculate ---.
current
power
resistance
watts
- 11. Multiple Choice
This picture shows a 24 V battery connected to an 8.0 Ω resistor. How much current runs through the circuit?
3.0 A
192 A
2.0 A
4.0 A
- 12. Multiple ChoiceThe flow of electricity requires acomplete pathincomplete pathinsulated currentcomplex circuit
- 13. Multiple ChoiceThe total resistance of this circuit is25.7 ohms315 ohms324 ohms90 ohms
- 14. Multiple ChoiceThe total current going through the battery of this circuit is0.35 amps0.0286 amps0 amps9 amps
- 15. Multiple ChoiceWhich of the two circuits would have the brightest bulbs?AB
- 16. Multiple ChoiceWhich bulb burning out would mean that no current could flow through the circuit?ABCD
- 17. Multiple ChoiceThis is an example of a _______ circuitopenseriesparallelsquare
- 18. Multiple ChoiceThis is an example of a ______ circuitSeriesParallelOpenDihexihedral
- 19. Multiple ChoiceWhat kind of circuit is this?SeriesConsecutiveParallelTraining
- 20. Multiple ChoiceWhat kind of circuit is this?SeriesConsecutiveParallelTraining
- 21. Multiple ChoiceIn a parallel circuit, if one connection is broken, all of the connections stop working.TrueFalse
- 22. Multiple ChoiceA series circuit has ____ path(s) that the electric current can take.OneTwoThreeFour
- 23. Multiple ChoiceThis circuit has more than one loop. When one light goes out, the others stay on.closed circuitseries circuitparallel circuitopen circuit
- 24. Multiple ChoiceIn a parallel circuit if one of the light bulbs burns out the rest _________.stop the flow of electricitycan still light upwill go outof the light bulbs burn out also
- 25. Multiple ChoiceThe equivalent resistance in this circuit is100 ohms450 ohms400 ohms30 ohms
- 26. Multiple ChoiceDoes this statement best describe a parallel or a series circuit.
When more light bulbs are added they all remain bright.Parallel circuitSeries circuit - 27. Multiple ChoiceWhat does the resistance of a wire tell you?The speed of electron flow through it.How tough it is for electrons to flow through it.The amount of energy given to the electrons.The amount of energy taken away from the electrons.
- 28. Multiple ChoiceA class prepared some electrical circuits using battery, connecting wires, and three light bulbs. Which of these circuits can make the three bulbs light?ABCD
- 29. Multiple ChoiceIn a cell, which form of energy is converted into electrical energy?Chemical energySolar energyMechanical energyElectrical energy
- 30. Multiple Choice
What is the total resistance of three 10,000 Ω resistors in series?
300,000 Ω
3,000 Ω
30,000 Ω
3.0*10^6 Ω
- 31. Multiple Choice
What is the equivalent resistance of three 10,000 Ω resistors in parallel?
33,333 Ω
3.1*10^7 Ω
3.33333*10^14 Ω
3,333.3 Ω
- 32. Multiple Choice
Suppose you have a 100 Ω resistor parallel to two 100 Ω resistors in series. what is their total resistance?
66.7 Ω
300 Ω
69.69 Ω
600 Ω
- 33. Multiple Choice
The Equivalent Resistance is:
1/Rp = (1/5) + (1/8) + (1/3)
120 Ω
1.5189873 Ω
1/Rp = (1/5) * (1/8) * (1/3)
- 34. Multiple Choice
What is the equivalent resistance of this circuit?
25 ohms
8.3 ohms
7.3 ohms
9.0 ohms
- 35. Multiple Choice
What is the voltage drop for the 7 ohm resistor?
4.9 volts
2.6 volts
4.5 volts
12 volts
- 36. Multiple Choice
what is the equivalent current for this circuit?
1.9 x 10 -3 amps
2.0 x 104 amps
3.7 x 10-6 amps
6.5 x 10-4 amps
- 37. Multiple Choice
If every resistor has a value of 10 ohms, and the equivalent voltage is 9 volts, what is the equivalent resistance?
8.3 ohms
50 ohms
11.7 ohms
12.4 ohms
- 38. Multiple Choice
If every R is 10 ohms, and v is 9 volts, what is the current across the R2
0.26 A
0.52 A
.39 A
.77 A
- 39. Multiple ChoiceLook at the picture. What causes the light bulb not to light up?The wires from the second light bulb are not connected to the batteryThe wires are not connected between the light bulbsThe wires are not connected to both sides of the first light bulbThe wires are too long to complete the circuit
- 40. Multiple Choice
The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wire as shown, which of the bells will ring?
Bell 1 only
Bells 1 and 4 only
Bells 3 and 4 only
Bells 1, 2, 3, and 4
- Answer choicesTagsAnswer choicesTags