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The diagram below shows a circuit used in an experiment to determine the emf and internal resistance of the cell C. A graph was plotted for the potential difference V between the terminals of the cell against the current I, which was varied by adjusting the rheostat.The graph is shown on the right; x and y are the intercepts of the graph with the axes as shown. What is the internal resistance of the cell ? |
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Answer» The diagram below shows a circuit used in an experiment to determine the emf and internal resistance of the cell C. A graph was plotted for the potential difference V between the terminals of the cell against the current I, which was varied by adjusting the rheostat. |
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