Question

An engine delivers \(1000\text{ watt}\) of power with \(80\%\) efficiency. The input power is

• A. \(800\text{ W}\)
• B. \(1000\text{ W}\)
• C. \(1250\text{ W}\)
• D. \(1500\text{ W}\)

Hint:

Efficiency \(=\frac{\text{Output power}}{\text{Input power}}\). Always convert percentage efficiency into decimal before calculation.

Answer 1

The Correct Option is C