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Energy and Power

Energy and Power
A 15 V source is connected across a 12 resistor. How much energy is used in three minutes?

5.6 Wh
938 Wh
56.25 Wh
0.938 Wh

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Energy and Power
If you used 400 W of power for 30 h, you have used

13.3 kWh
1.2 kWh
12 kWh
1.3 kWh

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Energy and Power
In 0.025 W, there are

25 mW
25 kW
0.00025 mW
2,500 µW

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Energy and Power
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?

20.16 kWh
8.4 kWh
201.6 kWh
2.01 kWh

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

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

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Energy and Power
If it takes 400 ms to use 12,000 J of energy, the power is

3 W
30 kW
300 kW
30 W

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MORE MCQ ON Energy and Power

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