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Energy and Power

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

58 Ah
0.58 Ah
21 Ah
2.1 Ah

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

8.7 mA
8.7 µA
8.7 A
87 mA

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

30 W
300 kW
30 kW
3 W

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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
132 mW
13.2 mW
226 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
A 15 V source is connected across a 12 resistor. How much energy is used in three minutes?

0.938 Wh
5.6 Wh
938 Wh
56.25 Wh

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MORE MCQ ON Energy and Power

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