Question

In a practical machine, the power output is _______ the power input.

A. larger than
B. multiplied by
C. equal to
D. smaller than

Answer 1

Smaller than is the correct answer

Answer 2

The correct answer for the question that is being presented above is this one: "D. smaller than." In a practical machine, the power output is smaller than the power input. The power output is smaller than the power input as most of the energy usually has been converted to heat in the process.