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Physics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 1 · Q6
A circular coil of radius 8.0 cm and 40 turns is rotated about its vertical diameter with an angular speed of 25/(π) rad s^-1 in a uniform horizontal…
A circular coil of radius $\displaystyle 8.0$ cm and $\displaystyle 40$ turns is rotated about its vertical diameter with an angular speed of $\displaystyle \frac{25}{\pi} \mathrm{rad} \mathrm{s}^{-1}$ in a uniform horizontal magnetic field of magnitude $\displaystyle 3.0 \times 10^{-2} \mathrm{~T}$. The maximum emf induced in the coil is :
Official answer
(C)
$\displaystyle 0 \cdot 19 \mathrm{~V}$
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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.