# 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?

### Card 4

#### Front

How would you work out the cost of energy?

### Card 5

#### Front

Where does the energy in a circuit come from?