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Current Electricity — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsCurrent Electricity1 Mark
MCQ
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

Image

  • A
    $x y$
  • ✓
    $\frac{y}{x}$
  • C
    $\frac{x}{y}$
  • D
    $(\mathrm{d})(x-y)$
✓

Answer

Correct option: B.
$\frac{y}{x}$
(b) Here internal resistance is given by the slope of graph i.e. $\frac{x}{y}$. But conductance $=\frac{1}{\text { Resistance }}=\frac{y}{x}$

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