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Energy and Power

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

2 W
20 W
200 W
2,000 W

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

1.3 kWh
12 kWh
13.3 kWh
1.2 kWh

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

30 kW
300 kW
30 W
3 W

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

10 kWh
36 kWh
3.6 kWh
1 kWh

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Energy and Power
A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is

58 Ah
21 Ah
0.58 Ah
2.1 Ah

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Energy and Power
A half-watt is equal to how many milliwatts?

500 mW
5 mW
50 mW
5,000 mW

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MORE MCQ ON Energy and Power

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