Cambridge IGCSE Physics Revision Core Concepts Exam Preparation Online

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Lesson 4.2.5: Resistance Basics ??? Defining resistance as opposition to current; calculating using R = V/I with simple circuits.

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Lesson 4.2.4: Potential Difference ??? Measuring voltage as energy transferred per unit charge (V = E/Q); practical circuit experiments.Previous Lesson 4.2.6: Ohm???s Law ??? Exploring V = I R relationship; conducting experiments with fixed resistors to verify linearity.Next