CBSE 2026 · Region 4 · Set 1 · Q6 · 1 mark
An ac voltage is given as $\displaystyle \mathrm{v}=14 \sin (314 \mathrm{t}) \mathrm{V}$. The average and the effective value of the voltage (in V ) over a cycle are respectively :
Official answer
From CBSE’s own marking scheme for this paper.
(C)
$\displaystyle 0$ and $\displaystyle 10$
Alternating CurrentRepresentation of AC Current and Voltage by Rotating Vectors — PhasorsApplymcqeasy
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.