Course 1 – Quiz 4 – Your Energy and Power Quality

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Question 1 of 15

1. Question
1. What was the most common type of linear resistive load found in past residential electrical environments?
- Hair dryer
- Toaster
- Incandescent lamp
- Air conditioner
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Question 2 of 15

2. Question
2. What type of load does an appliance with an electric motor represent?
- Resistive
- Inductive
- Capacitive
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Question 3 of 15

3. Question
3. Select the linear loads in a residential electrical environment that were resistive.
- Electric motor
- Incandescent lamp
- Stove eye
- Heater
- Compressor in a refrigerator
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Question 4 of 15

4. Question
4. Select the linear loads in a residential electrical environment that were inductive
- Electric motor
- Incandescent lamp
- Stove eye
- Heater
- Compressor in a refrigerator
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Question 5 of 15

5. Question
5. There were capacitive loads in past electrical environments.
- True
- False
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Question 6 of 15

6. Question
6. Select the past linear loads in residential electrical environments that were resistive & inductive combination loads. (Select al that apply.)
- Blender
- Clothes dryer
- Mixer
- Hair dryer
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Question 7 of 15

7. Question
7. What are the three types of electrical elements used in all circuits?
- Wire, connectors & copper
- Resistors, inductors & capacitors
- Diodes, transistors & integrated circuits
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Question 8 of 15

8. Question
8. What is the symbol for a resistor?
- a.
- b.
- c.
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Question 9 of 15

9. Question
9. What is the symbol for an inductor?
- a.
- b.
- c.
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Question 10 of 15

10. Question
10. What is the symbol for a capacitor?
- a.
- c.
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Question 11 of 15

11. Question
11. What does Ohm’s Law describe? (Select all that apply.)
- That the proportionality constant between the voltage as the numerator and the current as the denominator is the resistance, R.
- That the proportionality constant between the current as the numerator and the voltage as the denominator is the resistance, R.
- That the product of the opposition of current flow, I and the resistance, R is the voltage, V.
- That the product of the opposition of voltage, V and the resistance, R is the current, I.
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Question 12 of 15

12. Question
12. What is meant when one says, “The voltage is in phase with the current?”
- The voltage & current waveforms have the same shape, start at the same point & end at the same point with respect to time.
- The voltage & current waveforms have different shapes, start at different points & end points with respect to time.
- There is no timing relationship between the voltage & current waveforms.
- The frequency of the voltage waveform is the same as the frequency of the current
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Question 13 of 15

13. Question
13. Which set of voltage & current waveforms represents “in phase” for a resistor?
- a.
- b,
- c.
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Question 14 of 15

14. Question
14. Which set of voltage & current waveforms represents that for an inductive load?
- a.
- b.
- c.
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Question 15 of 15

15. Question
15. Which set of voltage & current waveforms represents that for a capacitive load?
- a.
- b.
- c.
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Course 1- The Past

Course 1 – Quiz 4

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