Learn the key factors that affect electrical resistance in this IGCSE Physics lesson.
In this video, we explain how the resistance of a conductor changes with its physical properties and conditions, and how these ideas are applied in typical IGCSE Physics exam questions.
📚 Topics covered:
Factors affecting resistance
Length of a conductor
Cross-sectional area
Material of a conductor
Temperature and resistance
Comparing different conductors
Resistance in practical circuits
Common exam question types
Key exam tips
This lesson is ideal for students preparing for Cambridge IGCSE Physics who want to deepen their understanding of electricity and become more confident with resistance-related questions.
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