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Energy and Power

Energy and Power
A 220 resistor dissipates 3 W. The voltage is

73.3 V
25.7 V
2.5 V
257 V

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Energy and Power
A 75 load uses 2 W of power. The output voltage of the power supply is approximately

6 V
120 V
1.2 V
12 V

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Energy and Power
If you used 600 W of power for 60 h, you have used

36 kWh
3.6 kWh
10 kWh
1 kWh

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Energy and Power
How many watt-hours represent 65 W used for 18 h?

117,000 Wh
11,700 Wh
1,170 Wh
11.7 Wh

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Energy and Power
At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?

535 kWh
12.85 kWh
1.286 kWh
252 kWh

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Energy and Power
In 0.025 W, there are

0.00025 mW
25 mW
2,500 µW
25 kW

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MORE MCQ ON Energy and Power

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