CBSE 2026 · Region 4 · Set 1 · Q3 · 1 mark
An electron moves around the nucleus in a circular orbit of radius r and makes n revolutions per second. The value of equivalent current in the orbit is :
Official answer
From CBSE’s own marking scheme for this paper.
(B)
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Moving Charges and MagnetismTorque on Current Loop, Magnetic DipoleApplymcqeasy
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CBSE Class 12 Physics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.