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Magnetism question

2024 · Shift 1 · Q36
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  5. /2024 · Shift 1 · Q36

Magnetism question

2024 · Shift 1 · Q36

JEE AdvancedPhysicsMagnetismMCQ+3 / −1
An infinitely long wire, located on the zzz-axis, carries a current III along the +z+z+z-direction and produces the magnetic field B⃗\vec{B}B. The magnitude of the line integral ∫B⃗⋅dl→\int \vec{B} \cdot \overrightarrow{d l}∫B⋅dl along a straight line from the point (−3a,a,0)(-\sqrt{3} a, a, 0)(−3​a,a,0) to (a,a,0)(a, a, 0)(a,a,0) is given by [μ0\mu_0μ0​ is the magnetic permeability of free space.]
  1. A
    7μ0I24{{7{\mu _0}I} \over {24}}247μ0​I​
  2. B
    7μ0I12{{7{\mu _0}I} \over {12}}127μ0​I​
  3. C
    μ0I8{{{\mu _0}I} \over {8}}8μ0​I​
  4. D
    μ0I6{{{\mu _0}I} \over {6}}6μ0​I​
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