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NEET 2026 (Re-neet) · Combination of Inductors, LR & LC Circuits

Combination of Inductors, LR & LC Circuits question from NEET 2026 (Re-neet)

Q6NEET 2026 · RE-NEETMedium

Combination of Inductors, LR & LC Circuits

Two identical inductors are connected in two different configurations $P$ and $Q$ , where a time varying current $I(t)$ is flowing, as shown in the figure. The induced emf between points $a$ and $b$ for configuration $P$ is $E_P$ and that for configuration $Q$ is $E_Q$ . The ratio $E_P / E_Q$ is:

[Neglect the effect of mutual inductance.]

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Answer: (a)

In P, $a$ and $b$ are across only the top inductor: $E_P = L\frac{dI}{dt}$
In Q, $a$ and $b$ are across the parallel pair: $E_Q = \frac{L}{2}\frac{dI}{dt}$
$\frac{E_P}{E_Q} = 2$
So the answer is (a) 2.

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