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Energy and Power

Energy and Power
A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is

132 mW
22.6 mW
226 mW
13.2 mW

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

2,000 W
200 W
20 W
2 W

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Energy and Power
When the current through a 12 k resistor is 8 mA, the power is

768 mW
7.68 mW
7.68 W
76.8 W

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

30 kW
30 W
3 W
300 kW

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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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MORE MCQ ON Energy and Power

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