Understanding Energy Efficiency
A student concludes that energy-efficient appliances consume more total energy than standard appliances because they operate for longer periods of time. Which of the following statements best explains the flaw in the student’s reasoning?
A
They misunderstood the concept of energy efficiency; energy-efficient appliances consume less energy overall, even if they operate for longer periods.
B
They correctly concluded that the duration of operation is the main factor in energy consumption.
C
They should have concluded that all appliances consume the same amount of energy.
D
They should have focused on the initial cost, not the energy consumption, of energy-efficient appliances.
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