CBSE 2025 · Region 2 · Set 3 · Q2 · 1 mark
Which pair of readings of ideal voltmeter and ideal ammeter in the given circuit is possible when a suitable power source of $\displaystyle 3 \Omega$ internal resistance is connected between P and Q?
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 12 \mathrm{~V}, 0.5 \mathrm{~A}$
Current ElectricityKirchhoff’s RulesApplymcqmedium
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.