In an experiment, a graph was plotted of the potential difference $V$ between the terminals of a cell against the circuit current $i$ by varying load rheostat. Internal conductance of the cell is given by
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(b) Here internal resistance is given by the slope of graph i.e. $\frac{x}{y}$. But conductance $ = \frac{1}{{{\rm{Resistance }}}} = \frac{y}{x}$
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