Cost of electrical energy
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Last updated 7:58 AM on 2/26/25
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6 Terms
1
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Energy is measured in:
Joules (J)
2
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Time is measured in:
Seconds (s)
3
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Power is measured in:
Watts (W)
4
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Energy formula:
Energy= power x time
5
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Cost formula:
Cost= power x time x unit price
6
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Price for particular appliance:
Cost= power rating of appliance x number of hours it was used for x unit price of electricity.
Note 
Flashcards (40)