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Physics · 2023 · 1 mark
Alternating CurrentRepresentation of AC Current and Voltage by Rotating Vectors — Phasors1 markUnderstandmcq
CBSE 2023 · Region 4 · Set 1 · Q4
The figure shows variation of current (I) with time ( t ) in four devices P, Q, R and S. The device in which an alternating current flows is:
The figure shows variation of current (I) with time ( $\displaystyle t$ ) in four devices $\displaystyle P$, $\displaystyle \mathrm{Q}, \mathrm{R}$ and S . The device in which an alternating current flows is :
Official answer
(D)
S
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CBSE Class 12 Physics past-paper question from the 2023 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.