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Energy and Power

Energy and Power
How much continuous current can be drawn from a 60 Ah battery for 14 h?

42.8 A
4.2 A
428 A
4.28 A

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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
Three hundred joules of energy are consumed in 15 s. The power is

20 W
200 W
2 W
2,000 W

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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?

1.286 kWh
252 kWh
12.85 kWh
535 kWh

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Energy and Power
In 40 kW, there are

400 W
40,000 W
5,000 W
0.4 mW

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

5.6 Wh
56.25 Wh
0.938 Wh
938 Wh

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MORE MCQ ON Energy and Power

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