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Energy and Power

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

20 W
2 W
2,000 W
200 W

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Energy and Power
A 75 load uses 2 W of power. The output voltage of the power supply is approximately

120 V
1.2 V
12 V
6 V

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

3.6 kWh
36 kWh
10 kWh
1 kWh

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Energy and Power
A 33 half-watt resistor and a 330 half-watt resistor are connected across a 12 V source. Which one(s) will overheat?

neither resistor
330
both resistors
33

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Energy and Power
How much continuous current can be drawn from a 60 Ah battery for 14 h?

42.8 A
4.28 A
428 A
4.2 A

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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?

5.6 Wh
0.938 Wh
938 Wh
56.25 Wh

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MORE MCQ ON Energy and Power

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