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Energy and Power

Energy and Power
A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least

480 mW
15 mW
4.8 W
150 mW

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

22.6 mW
13.2 mW
132 mW
226 mW

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

10 kWh
3.6 kWh
36 kWh
1 kWh

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Energy and Power
A 3.3 k resistor dissipates 0.25 W. The current is

8.7 µA
8.7 A
87 mA
8.7 mA

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

50 mW
5,000 mW
500 mW
5 mW

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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

21 Ah
58 Ah
2.1 Ah
0.58 Ah

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MORE MCQ ON Energy and Power

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