Efficency

Question 1

How do you calculate efficency?

Answer 1

Efficency = Energy Output / Energy Input x 100%

or

Efficency = Power Output / Power Input x 100%
dont multiply by 100 if you want the answer in per unit (p.u)

Question 2

What is the following formula used for?

Efficency = Energy Output / Energy Input x 100%
or
Efficency = Power Output / Power Input x 100%

Answer 2

The efficency calculation