Energy and Power If it takes 400 ms to use 12,000 J of energy, the power is 30 kW 30 W 3 W 300 kW 30 kW 30 W 3 W 300 kW 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 22.6 mW 132 mW 226 mW 13.2 mW 22.6 mW 132 mW 226 mW 13.2 mW ANSWER DOWNLOAD EXAMIANS APP
Energy and Power Three hundred joules of energy are consumed in 15 s. The power is 20 W 200 W 2,000 W 2 W 20 W 200 W 2,000 W 2 W ANSWER DOWNLOAD EXAMIANS APP
Energy and Power A half-watt is equal to how many milliwatts? 50 mW 5,000 mW 5 mW 500 mW 50 mW 5,000 mW 5 mW 500 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% 85.7% 42.85% 4.28% 8.57% 85.7% 42.85% 4.28% ANSWER DOWNLOAD EXAMIANS APP
Energy and Power In 40 kW, there are 40,000 W 5,000 W 0.4 mW 400 W 40,000 W 5,000 W 0.4 mW 400 W ANSWER DOWNLOAD EXAMIANS APP
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