When n = energy efficiency and Pin = energy input and Pout = energy output, how can you mathematically represent the correct relationship between the energy you put in something and the energy you get out?
A. n = P out * P in
B. n = P out / P in
C. n = P out - P in

Question

When n = energy efficiency and Pin = energy input and Pout = energy output, how can you mathematically represent the correct relationship between the energy you put in something and the energy you get out?
	A.	n = P out * P in
	B.	n = P out / P in
	C.	n = P out - P in

anonymous · Answer

Efficiency is the ratio of what we get (out) to what we pay for (in)