Question text
11 Which equation is used to calculate the efficiency of an energy transfer? useful energy output A efficiency = total energy input total energy input B efficiency = useful energy output total energy output C efficiency = total power input D efficiency = (useful energy output) × (total energy input)
11 Which equation is used to calculate the efficiency of an energy transfer?
useful energy output
A efficiency =
total energy input
total energy input
B efficiency =
useful energy output
total energy output
C efficiency =
total power input
D efficiency = (useful energy output) × (total energy input)
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