CBSE 2024 · Region 2 · Set 2 · Q3 · 1 mark
A conducting loop is placed in a magnetic field, normal to its plane. The magnitude of the magnetic field varies with time as shown in the figure. If $\displaystyle \varepsilon_{1}, \varepsilon_{2}$ and $\displaystyle \varepsilon_{3}$ are magnitudes of induced emfs during periods $\displaystyle 0 \leq \mathrm{t} \leq \mathrm{T}$, $\displaystyle \mathrm{T} \leq \mathrm{t} \leq 2 \mathrm{~T}$ and $\displaystyle 2 \mathrm{~T} \leq \mathrm{t} \leq 3 \mathrm{~T}$, then :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle \varepsilon_{2}>\varepsilon_{3}>\varepsilon_{1}$
Electromagnetic InductionFaraday’s Law of InductionApplymcqmedium
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CBSE Class 12 Physics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.