CBSE 2023 · Region 3 · Set 3 · Q14 · 1 mark
Two cells of emf $\displaystyle \mathrm{E}$ each and internal resistances $\displaystyle r$ and $\displaystyle 2 r$ are connected in parallel as shown in the figure. The equivalent emf of the combination is :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle \frac{\mathrm{E}}{3}$
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CBSE Class 12 Physics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.