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Physics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q3
The potential difference across a cell in an open circuit is 8 V. It falls to 4 V when a current of 4 A is drawn from it. The internal resistance of…
The potential difference across a cell in an open circuit is $\displaystyle 8$ V . It falls to $\displaystyle 4$ V when a current of $\displaystyle 4$ A is drawn from it. The internal resistance of the cell is :
Official answer
(D)
$\displaystyle 1 \Omega$
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