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ENERGY AND POWER

Energy and Power
A 6 V battery is connected to a 300 load. Under these conditions, it is rated at 40 Ah. How long can it supply current to the load?

200 h
2,000 h
1 h
10 h

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Energy and Power
In 40 kW, there are

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

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

1 kWh
3.6 kWh
10 kWh
36 kWh

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

30 W
3 W
30 kW
300 kW

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

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

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