Electrical circuits — Easy
Recall and familiar applications. Optional hints help you find a first step.
Includes extension practice
Standard components and series/parallel calculations are included. Relays, sensor dividers and other additional components extend this course.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Combined Science 0653 syllabus 2028–2029 · P4.2.1–P4.2.2, pp56–57
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