1.3.3 POWER

HideShow resource information
What is power?
The rate of work done
1 of 5
Define the Watt
power dissipated when 1 joule of energy is transferred in 1 sec
2 of 5
Describe the efficiency of devices
never 100% due to heat losses
3 of 5
How do you calculate efficiency?
(useful output/ total output)x100
4 of 5
What is a Sankey Diagram?
represents energy transfer / width of the arrows represents % energy transfer
5 of 5

Other cards in this set

Card 2

Front

Define the Watt

Back

power dissipated when 1 joule of energy is transferred in 1 sec

Card 3

Front

Describe the efficiency of devices

Back

Preview of the front of card 3

Card 4

Front

How do you calculate efficiency?

Back

Preview of the front of card 4

Card 5

Front

What is a Sankey Diagram?

Back

Preview of the front of card 5

Comments

No comments have yet been made

Similar Physics resources:

See all Physics resources »See all Work, Energy, Power resources »