Energy and Power A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 85.7% 42.85% 8.57% 4.28% 85.7% 42.85% 8.57% 4.28% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is 132 mW 13.2 mW 226 mW 22.6 mW 132 mW 13.2 mW 226 mW 22.6 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 30 kW 300 kW 3 W 30 W 30 kW 300 kW 3 W 30 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power In 0.025 W, there are 25 mW 0.00025 mW 2,500 µW 25 kW 25 mW 0.00025 mW 2,500 µW 25 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? 20.16 kWh 8.4 kWh 2.01 kWh 201.6 kWh 20.16 kWh 8.4 kWh 2.01 kWh 201.6 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 75 load uses 2 W of power. The output voltage of the power supply is approximately 12 V 120 V 6 V 1.2 V 12 V 120 V 6 V 1.2 V ANSWER DOWNLOAD EXAMIANS APP
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