Electric Power and Energy Exam
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Question 1 of 10
1. Question
Which of these units measures electrical energy?
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Question 2 of 10
2. Question
How many watts are in 1 kW?
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Question 3 of 10
3. Question
Which of these is the measurement unit for instantaneous electric power draw?
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Question 4 of 10
4. Question
What term describes electrical consumption?
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Question 5 of 10
5. Question
What two electrical quantities are multiplied together to produce watts?
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Question 6 of 10
6. Question
How much electrical power is drawn by resistance heater that draws 13 A at 225 V?
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Question 7 of 10
7. Question
What is the approximate cost in dollars for electricity for a 75 Watt light bulb that is on for 3700 hours per year at $0.12 per kilowatt hour
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Question 8 of 10
8. Question
How much energy will of refrigerator consume in 2000 hours if it draws 182 W?
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Question 9 of 10
9. Question
If a power saw draws 3 amps at 120 volts, how many watts is the saw using?
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Question 10 of 10
10. Question
How much electrical energy is consumed by a device that draws 8 amps at 110 volts running for 70 hours?
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