science exam part 4 - formula letters
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10 Terms
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What does P stand for?
Power (Watts, W)
2
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What does I stand for?
Current (Amperes, A)
3
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What does V stand for?
Voltage (Volts, V)
4
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What does R stand for?
Resistance (Ohms, Ω)
5
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What does E stand for?
Energy (Joules or kilowatt-hours, kWh)
6
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What does t stand for?
Time (Seconds or hours)
7
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What does Q stand for?
Charge (Coulombs, C)
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What does Cost mean?
Electricity cost in dollars ($)
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What does Rate mean?
Price per kilowatt-hour ($/kWh)
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What does Efficiency mean?
Percentage of energy output vs. input
Note 
Flashcards (20)