EEE :: Energy and Power
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A 33
half-watt resistor and a 330 half-watt resistor are connected across a 12 V source. Which one(s) will overheat? -
When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is
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A certain appliance uses 350 W. If it is allowed to run continuously for 24 days, how many kilowatt-hours of energy does it consume?
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A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is
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A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is
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A 15 V source is connected across a 12
resistor. How much energy is used in three minutes? -
At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?
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A 120
resistor must carry a maximum current of 25 mA. Its rating should be at least
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