Exam (elaborations)
Physics OCR B A Level: Determining Internal Resistance and Maximum Power of a Cell: Module 1: Practical Skills in Physics: Questions with Complete Solutions
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What is a source’s internal resistance? A source’s internal resistance is the resistance of the materials inside the source. It is equal to the lost volts per unit current in the source. What is the emf of a power source? A power supply’s emf is the work done by the source per unit charg...
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