Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 30 kW 30 W 3 W 300 kW 30 kW 30 W 3 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? 20.16 kWh 2.01 kWh 201.6 kWh 8.4 kWh 20.16 kWh 2.01 kWh 201.6 kWh 8.4 kWh 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 226 mW 13.2 mW 132 mW 22.6 mW 226 mW 13.2 mW 132 mW 22.6 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 400 W of power for 30 h, you have used 12 kWh 1.2 kWh 13.3 kWh 1.3 kWh 12 kWh 1.2 kWh 13.3 kWh 1.3 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 15 V source is connected across a 12 resistor. How much energy is used in three minutes? 5.6 Wh 0.938 Wh 938 Wh 56.25 Wh 5.6 Wh 0.938 Wh 938 Wh 56.25 Wh 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 85.7% 4.28% 8.57% 42.85% 85.7% 4.28% 8.57% 42.85% ANSWER DOWNLOAD EXAMIANS APP
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