P2d Fuels for Power
You need to be able to:
- Use the power equation for calculating quantities in several units (power in W or kW, voltage in V, current in A)
- Calculate the cost of electricity converting units where required (power in W or kW, time in minutes or h, energy transferred in kWh, cost in pence per kWh)
- Describe advantages and disadvantages of using off-peak electricity, and of using transformers
- Bitesize notes on P2d
- American interactive calculator for electricity costs
- Interactive calculator for power
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