Energy and Power A 3.3 k resistor dissipates 0.25 W. The current is 8.7 mA 8.7 µA 8.7 A 87 mA 8.7 mA 8.7 µA 8.7 A 87 mA 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% 85.7% 8.57% 42.85% 4.28% 85.7% 8.57% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 400 W of power for 30 h, you have used 1.3 kWh 13.3 kWh 1.2 kWh 12 kWh 1.3 kWh 13.3 kWh 1.2 kWh 12 kWh ANSWER DOWNLOAD EXAMIANS APP
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 12.85 kWh 252 kWh 535 kWh 1.286 kWh 12.85 kWh 252 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 22.6 mW 132 mW 226 mW 13.2 mW 22.6 mW 132 mW 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? both resistors 33 neither resistor 330 both resistors 33 neither resistor 330 ANSWER DOWNLOAD EXAMIANS APP