effiency Flashcards
(4 cards)
1
Q
what is efficiency?
A
measure of how much of the input energy gets turned into useful energy
2
Q
what happens to some of the input energy if it is wasted?
A
the energy is dissipated
3
Q
how do you get a higher efficiency?
A
the more input energy an appliance turns into useful energy
4
Q
what is the formula for efficiency?
A
efficiency = useful energy output / total energy input x 100
