Energy and Power Three hundred joules of energy are consumed in 15 s. The power is 20 W 2 W 200 W 2,000 W 20 W 2 W 200 W 2,000 W 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? 2.01 kWh 20.16 kWh 8.4 kWh 201.6 kWh 2.01 kWh 20.16 kWh 8.4 kWh 201.6 kWh ANSWER DOWNLOAD EXAMIANS APP
Energy and Power If you used 400 W of power for 30 h, you have used 13.3 kWh 1.2 kWh 1.3 kWh 12 kWh 13.3 kWh 1.2 kWh 1.3 kWh 12 kWh 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 A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is 8.57% 4.28% 85.7% 42.85% 8.57% 4.28% 85.7% 42.85% 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 21 Ah 0.58 Ah 58 Ah 2.1 Ah 21 Ah 0.58 Ah ANSWER DOWNLOAD EXAMIANS APP