Dissipation of energy Flashcards
1
Q
What is dissipated energy?
A
When it is transferred to a non-useful store, it cannot be used for what it was intended for
2
Q
How can energy be wasted?
A
Through friction, heating up components or heating the surroundings
3
Q
What is efficiency?
A
A measure of how much energy has been used in a useful way
4
Q
What equation do we use to calculate efficiency?
A
Efficiency (%) = useful energy output / energy input x 100