Verified Solution • 2025–26 Session moderate

QJEEM25Ph3f76: JEE Main 2025 Physics - Class 11 JEEM25Ph3f76 Solution: If is magnetic field and is permeability of free space, then…

If BB is magnetic field and μ0\mu_0 is permeability of free space, then the dimensions of (B/μ0)\left(B / \mu_0\right) is

Multiple Choice Options

  • A MT−2 A−1\mathrm{MT}^{-2} \mathrm{~A}^{-1}
  • B L−1 A\mathrm{L}^{-1} \mathrm{~A}
  • C ML2 T−2 A−1\mathrm{ML}^2 \mathrm{~T}^{-2} \mathrm{~A}^{-1}
  • D LT−2 A−1\mathrm{LT}^{-2} \mathrm{~A}^{-1}

Step-by-Step Verified Solution

amp;B=μ0niamp;[ Bμ0]=[ni]=L−1 A1\begin{aligned}& \mathrm{B}=\mu_0 \mathrm{ni} \\& {\left[\frac{\mathrm{~B}}{\mu_0}\right]=[\mathrm{ni}]=\mathrm{L}^{-1} \mathrm{~A}^1}\end{aligned}

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