Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 30 W 30 kW 3 W 300 kW 30 W 30 kW 3 W 300 kW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power How many watt-hours represent 65 W used for 18 h? 11,700 Wh 1,170 Wh 11.7 Wh 117,000 Wh 11,700 Wh 1,170 Wh 11.7 Wh 117,000 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 400 W of power for 30 h, you have used 13.3 kWh 1.3 kWh 1.2 kWh 12 kWh 13.3 kWh 1.3 kWh 1.2 kWh 12 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? 938 Wh 56.25 Wh 5.6 Wh 0.938 Wh 938 Wh 56.25 Wh 5.6 Wh 0.938 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 42.85% 4.28% 8.57% 85.7% 42.85% 4.28% 8.57% 85.7% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 220 resistor dissipates 3 W. The voltage is 2.5 V 73.3 V 257 V 25.7 V 2.5 V 73.3 V 257 V 25.7 V ANSWER DOWNLOAD EXAMIANS APP
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