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Energy and Power

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

5 mW
5,000 mW
50 mW
500 mW

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Energy and Power
In 0.025 W, there are

0.00025 mW
2,500 µW
25 kW
25 mW

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

0.480 W
480 mW
All of these
480,000 µW

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Energy and Power
How many watt-hours represent 65 W used for 18 h?

11,700 Wh
117,000 Wh
11.7 Wh
1,170 Wh

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

15 mW
4.8 W
150 mW
480 mW

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

76.8 W
7.68 W
768 mW
7.68 mW

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MORE MCQ ON Energy and Power

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