Power and energy Flashcards
1
Q
What is power?
A
A measure of how much energy is transferred per second
2
Q
What is power measured in?
A
It is measured in watts (W)
3
Q
What does each appliance have?
A
It had its own power rating to tell us how quickly it uses energy
4
Q
What equation do we use to calculate power?
A
power (W) = energy (J) / time (s)
