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
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? 8.4 kWh 201.6 kWh 2.01 kWh 20.16 kWh 8.4 kWh 201.6 kWh 2.01 kWh 20.16 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power When the pointer of an analog ohmmeter reads close to zero, the resistor being measured is open reversed overheated shorted open reversed overheated shorted ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least 150 mW 15 mW 4.8 W 480 mW 150 mW 15 mW 4.8 W 480 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power For 12 V and 40 mA, the power is All of these 480 mW 0.480 W 480,000 µW All of these 480 mW 0.480 W 480,000 µW 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