CBSE 2024 · Region 3 · Set 1 · Q7 · 1 mark
Consider a solenoid of length $\displaystyle l$ and area of cross-section A with fixed number of turns. The self-inductance of the solenoid will increase if :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
$\displaystyle l$ is decreased and A is increased
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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.