Energy and Power When the current through a 12 k resistor is 8 mA, the power is 7.68 W 7.68 mW 76.8 W 768 mW 7.68 W 7.68 mW 76.8 W 768 mW 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% 8.57% 42.85% 4.28% 85.7% 8.57% 42.85% 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 13.2 mW 22.6 mW 132 mW 226 mW 13.2 mW 22.6 mW 132 mW 226 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? 330 both resistors 33 neither resistor 330 both resistors 33 neither resistor ANSWER DOWNLOAD EXAMIANS APP
Energy and Power How many watt-hours represent 65 W used for 18 h? 117,000 Wh 11.7 Wh 1,170 Wh 11,700 Wh 117,000 Wh 11.7 Wh 1,170 Wh 11,700 Wh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 600 W of power for 60 h, you have used 1 kWh 10 kWh 36 kWh 3.6 kWh 1 kWh 10 kWh 36 kWh 3.6 kWh ANSWER DOWNLOAD EXAMIANS APP