Energy and Power A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 4.28% 8.57% 42.85% 85.7% 4.28% 8.57% 42.85% 85.7% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power? 252 kWh 12.85 kWh 535 kWh 1.286 kWh 252 kWh 12.85 kWh 535 kWh 1.286 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the current through a 12 k resistor is 8 mA, the power is 768 mW 7.68 mW 7.68 W 76.8 W 768 mW 7.68 mW 7.68 W 76.8 W ANSWER DOWNLOAD EXAMIANS APP
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? 33 330 neither resistor both resistors 33 330 neither resistor both resistors ANSWER DOWNLOAD EXAMIANS APP
Energy and Power 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? 201.6 kWh 8.4 kWh 20.16 kWh 2.01 kWh 201.6 kWh 8.4 kWh 20.16 kWh 2.01 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is shorted open overheated reversed shorted open overheated reversed ANSWER DOWNLOAD EXAMIANS APP
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