Question
Write the formula for calculating the efficiency of a machine.
✓
Answer
Efficiency $=\frac{\text { Output energy }}{\text { Input energy }}$
The percentage value of efficiency of a machine is calculated as :
Efficiency $=\frac{\text { Output energy }}{\text { Input energy }} \times 100 \%$
The percentage value of efficiency of a machine is calculated as :
Efficiency $=\frac{\text { Output energy }}{\text { Input energy }} \times 100 \%$
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