The dimensions [M L T⁻² A⁻²] belong to:

Question

G1 Physics · Accepted Answer

Step 1: From B = μI/(length), [B]=[M T⁻² A⁻¹]. Step 2: Therefore [μ]=[B][L]/[A]=[M L T⁻² A⁻²]. Step 3: Hence magnetic permeability has the given dimensions. Final: Option B.