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CP5: Circuits (I-V Characteristics)

Investigate the I-V characteristics of a filament lamp, diode, and fixed resistor

Required PracticalEdexcelGCSE

🔬 Equipment Required

  • Filament lamp
  • Diode
  • Fixed resistor
  • Variable resistor or potential divider
  • Ammeter
  • Voltmeter
  • Power supply (low voltage DC)
  • Connecting wires

🦺 Safety Precautions

  • Filament lamp gets hot - allow to cool before handling
  • Check polarity when using diode
  • Do not exceed component ratings
  • Use low voltage power supply only

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About CP5: Circuits (I-V Characteristics)

CP5: Circuits (I-V Characteristics) is a required practical for Edexcel GCSE Physics. This practical investigate the i-v characteristics of a filament lamp, diode, and fixed resistor

Students are expected to understand the method, identify and control variables, use appropriate equipment, analyse results, draw graphs, identify sources of error, suggest improvements, and consider safety precautions.

Questions on required practicals frequently appear in Edexcel GCSE Physics exams and can be worth significant marks. Practice with our AI-generated questions to master this practical.

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