# P3

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- Created by: Laura990
- Created on: 04-04-14 15:46

## Other questions in this quiz

## 2. What are sankey diagrams?

- energy transformation diagrams
- diagrams used to measure the cost of a machine/appliance

## 3. true or false: more efficient machines waste less energy?

- true
- false

## 4. how do you find the power of a component in a circuit?

- measure the voltage and the current and multiply them together
- divide the voltage by the current

## 5. How would you work out the cost of energy?

- cost = number of kWh (multiplied by) cost per kW
- cost = number of kWh (multiplied by) cost per kWh
- cost = number of kWh (multiplied by) rate of kWh

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