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ConceptCells, Emf, Internal Resistance

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#### Question

A cell of emf 'E' and internal resistance 'r' is connected across a variable resistor 'R'. Plot a graph showing variation of terminal voltage 'V' of the cell versus the current 'I'. Using the plot, show how the emf of the cell and its internal resistance can be determined.

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#### Reference Material

Solution for question: A Cell of Emf 'E' and Internal Resistance 'R' is Connected Across a Variable Resistor 'R'. Plot a Graph Showing Variation of Terminal Voltage 'V' of the Cell Versus the Current 'I'. concept: Cells, Emf, Internal Resistance. For the courses CBSE (Arts), CBSE (Commerce), CBSE (Science)