Physics · 2016
NEET 2016 · 1 May · Code Y · Q120
A long straight wire of radius a carries a steady current I. The current is uniformly distributed over its cross - section. The ratio of the magnetic…
A long straight wire of radius a carries a steady current I. The current is uniformly distributed over its cross - section. The ratio of the magnetic fields B and B', at radial distances $\displaystyle \frac{a}{2}$ and 2a respectively, from the axis of the wire is :
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 1$
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NEET (UG) 2016 Physics question, with the answer from NTA’s final answer key. Where our answers come from.