Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 30 kW 3 W 30 W 300 kW 30 kW 3 W 30 W 300 kW 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? 8.4 kWh 2.01 kWh 20.16 kWh 201.6 kWh 8.4 kWh 2.01 kWh 20.16 kWh 201.6 kWh ANSWER DOWNLOAD EXAMIANS APP
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% 85.7% 42.85% 4.28% 8.57% 85.7% 42.85% 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? neither resistor 330 both resistors 33 neither resistor 330 both resistors 33 ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 400 W of power for 30 h, you have used 12 kWh 13.3 kWh 1.2 kWh 1.3 kWh 12 kWh 13.3 kWh 1.2 kWh 1.3 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be 2 W 1 W 0.5 W 5 W 2 W 1 W 0.5 W 5 W ANSWER DOWNLOAD EXAMIANS APP
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