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? 535 kWh 1.286 kWh 252 kWh 12.85 kWh 535 kWh 1.286 kWh 252 kWh 12.85 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 220 resistor dissipates 3 W. The voltage is 257 V 2.5 V 25.7 V 73.3 V 257 V 2.5 V 25.7 V 73.3 V ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 30 W 300 kW 3 W 30 kW 30 W 300 kW 3 W 30 kW 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% 42.85% 85.7% 8.57% 4.28% 42.85% 85.7% 8.57% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the current through a 12 k resistor is 8 mA, the power is 76.8 W 7.68 W 7.68 mW 768 mW 76.8 W 7.68 W 7.68 mW 768 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is 58 Ah 2.1 Ah 0.58 Ah 21 Ah 58 Ah 2.1 Ah 0.58 Ah 21 Ah ANSWER DOWNLOAD EXAMIANS APP