APFIVE Understanding Energy Efficiency
In an analysis of energy-efficient appliances, a student concluded that they consume more energy than standard appliances because they operate for longer periods. What mistake did the student make?
A
They misunderstood the concept of energy efficiency; energy-efficient appliances consume less energy overall, even if they operate for longer periods.
B
They should have concluded that all appliances consume the same amount of energy.
C
They correctly concluded that the duration of operation is the main factor in energy consumption.
D
They should have focused on the initial cost, not the energy consumption, of energy-efficient appliances.
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