JEE Main 2007 — Magnetic Effects of Current Question with Solution
JEE Main 2007
Question
A long straight wire of radius ' ' caries a steady current . The current is uniformly distributed across its cross section. The ratio of the magnetic field at and is
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Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
(i)
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This is a previous-year question from JEE Main 2007, covering the Magnetic Effects of Current chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.