3-ELE-07

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Outcomes

  • Pupils can ...
  • Pupils can ...

Specification References

2.6 recall and use the relationship, power = current x voltage, P=IV and apply the relationship to the selection of appropriate fuses

Starter

Reminder from previous lesson that Power = IV. A couple of calculations done in there rough books to get students using the equation again and to check any who are struggling with this. Light bulbs have power ratings eg 100W, 40W. What does this mean?

Question: Does a 100W bulb always give out power of 100W?

Main Body of Lesson

  • Power output of a bulb

Plenary

Homework

Additional Information

Resources Required

Textbook References

Website References

Skills Addressed

Observation and recording of results. Graph plotting.

Safety/Hazards

Notes