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Subjects

Physics

Cells, EMF, Internal Resistance

विद्युत सेल, ईएमएफ और आंतरिक प्रतिरोध

In Class 12 Physics, this topic explains how an electric cell converts chemical energy into electrical energy and how its electromotive force (EMF) differs from terminal potential difference. Students study internal resistance, the relationship between current, EMF, terminal voltage, and energy loss, and learn to analyse cells connected in series and parallel. It also builds skills for solving circuit problems and understanding open-circuit and loaded-cell conditions in Chapter 3, Current Electricity.

Practice questions

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