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Question: Answered & Verified by Expert
The magnetic field at point $P$ of given figure due to carrying of current $I$ by a conductor of radius $R$, is

PhysicsMagnetic Effects of CurrentTS EAMCETTS EAMCET 2020 (09 Sep Shift 2)
Options:
  • A $\frac{\mu_0 l}{4 \pi r} \mathrm{~T}$
  • B $\frac{\mu_0 l}{2 \pi r} \mathrm{~T}$
  • C $\frac{\mu_0 l}{2 \pi R} T$
  • D $\frac{\mu_0 I}{4 \pi R} \top$
Solution:
1831 Upvotes Verified Answer
The correct answer is: $\frac{\mu_0 l}{2 \pi r} \mathrm{~T}$
Magnetic field due to a current carrying
conductor at an outside point is given by
$B=\frac{\mu_0 I}{2 \pi r} \mathrm{~T}$

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