Physics, asked by anchal1490, 2 months ago

Why Efficiency has no unit?

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Answered by XxKILLSHOTxX

0

Answer:

We express efficiency as a percentage. In other words, it has no units (Percent is NOT a unit.). If you look at the efficiency equation at the right, you can see why efficiency has no units. Notice that the SI unit for work out is Joules, which is the same as the SI unit for work in.

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