power Flashcards
(4 cards)
1
Q
state the pathways by which energy can be transferred:
A
- mechanically
- electrically
- radiation
- heating
2
Q
what is the unit of energy?
A
joules
3
Q
define power
A
power is the rate at which energy is transferred or work is done.
4
Q
what is Watt?
A
unit of power