CBSE 2025 · Region 2 · Set 3 · Q7 · 1 mark
The number of turns between different pairs of output terminals are shown for a step-up transformer.
Input voltage of $\displaystyle 20$ V is applied between A and B. Between which two terminals will the output be $\displaystyle 120$ V?
Input voltage of $\displaystyle 20$ V is applied between A and B. Between which two terminals will the output be $\displaystyle 120$ V?Official answer
From CBSE’s own marking scheme for this paper.
(D)
P and S
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CBSE Class 12 Physics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.