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Energy and Power

Energy and Power
For 12 V and 40 mA, the power is

All of these
480,000 µW
0.480 W
480 mW

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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?

56.25 Wh
938 Wh
5.6 Wh
0.938 Wh

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

3 W
30 kW
30 W
300 kW

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Energy and Power
In 0.025 W, there are

0.00025 mW
25 mW
2,500 µW
25 kW

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

10 kWh
1 kWh
3.6 kWh
36 kWh

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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

132 mW
13.2 mW
226 mW
22.6 mW

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MORE MCQ ON Energy and Power

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