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Physics · 2023 · 1 mark
CBSE 2023 · Region 1 · Set 3 · Q2
A steady current flows through a metallic wire whose area of cross-section (A) increases continuously from one end of the wire to the other. The…
A steady current flows through a metallic wire whose area of cross-section (A) increases continuously from one end of the wire to the other. The magnitude of drift velocity $\displaystyle \left(\mathrm{v}_{\mathrm{d}}\right)$ of the free electrons as a function of 'A' can be shown by :
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(A)
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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.