P3

  • Created by: Laura990
  • Created on: 04-04-14 15:46
If something supplies energy it also supplies what?
energy
1 of 9
In an electric circuit what does the charge of the wire transfer the energy to?
components/ devices
2 of 9
What is the power of a circuit?
The rate of energy transfer
3 of 9
How would you work out the cost of energy?
cost = number of kWh (multiplied by) cost per kWh
4 of 9
Where does the energy in a circuit come from?
the current flowing through it
5 of 9
how do you find the power of a component in a circuit?
measure the voltage and the current and multiply them together
6 of 9
true or false: more efficient machines waste less energy?
true
7 of 9
true of false: some energy is always lost?
false-it's all converted into different forms
8 of 9
What are sankey diagrams?
energy transformation diagrams
9 of 9

Other cards in this set

Card 2

Front

In an electric circuit what does the charge of the wire transfer the energy to?

Back

components/ devices

Card 3

Front

What is the power of a circuit?

Back

Preview of the front of card 3

Card 4

Front

How would you work out the cost of energy?

Back

Preview of the front of card 4

Card 5

Front

Where does the energy in a circuit come from?

Back

Preview of the front of card 5
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