Resistance — Easy
Recall and familiar applications. Optional hints help you find a first step.
Includes extension practice
Resistance, measurement and wire-dimension scaling are included. Filament-lamp and diode I–V curves extend the listed content.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Physical Science 0652 syllabus 2025–2026 · P4.2.4, p37
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