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21. At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?
(a) 1.286 kWh
(b) 12.85 kWh
(c) 535 kWh
(d) 252 kWh
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- 5555555555 28. Three hundred joules of energy are consumed in 15 s. The power is ________. (a) 2,000 W (b) 2 W (c) 20 W (d) 200 W
- 555555555511. A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume? (a) 20.16 kWh (b) 201.6 kWh (c) 2.01 kWh (d) 8.4 kWh
- 5555555555 34. For 12 V and 40 mA, the power is ________. (a) 480 mW (b) 0.480 W (c) 480,000 µW (d) all of the above