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Energy and Power

Energy and Power
A 220 resistor dissipates 3 W. The voltage is

73.3 V
25.7 V
257 V
2.5 V

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

12 V
6 V
1.2 V
120 V

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

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

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

480,000 µW
0.480 W
All of these
480 mW

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Energy and Power
In 0.025 W, there are

0.00025 mW
25 mW
25 kW
2,500 µW

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Energy and Power
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is

shorted
open
reversed
overheated

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MORE MCQ ON Energy and Power

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