3-ELE-10

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Outcomes

  • Pupils can plan a Current-Voltage investigation
  • Pupils can select the correct equipment and use an appropriate circuit to take valid measurements

Specification References

2.14 recall and use the relationship between voltage, current and resistance: voltage = current × resistance

Starter

Pupils to design a circuit to design a circuit from:

a power supply, a variable resistor, an ammeter, a voltmeter, some sample wire

Main Body of Lesson

Planning:

  • Identify what factors could affect resistance of a wire (length, csa, material, temperature)
  • Discuss how to make the experiment fair (control variables) and accurate (several values of V and I)

Observation:

  • Pupils to investigate how length affects resistance
  • Pupils to investigate how csa affects resistance

Pupils to record their results on preprtinted table to save time

Plenary

Homework

Additional Information

Resources Required

Textbook References

Website References

Skills Addressed

Safety/Hazards

Notes