Energy Efficiency - Using less energy to provide the same amount of power, Advantage of energy efficiency - Reduces carbon footprint, Calculation for energy efficiency - Ƞ = ENERGYout / ENERGYin, Unit of measurement for energy - Joules, Calculation for power - P=IV, Unit of measurement for power - Watts, Unit of measurement for current - Amps, Calculation for electrical energy - Ee = VIT,

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