Electrical quantities — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Charge, current, voltage, resistance and electrical energy are included. Electric-field patterns and non-ohmic I–V graphs add extension practice.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Combined Science 0653 syllabus 2028–2029 · P4.1.1–P4.1.5, pp54–56
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