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प्रश्न
The dimensional formula of μ₀ is:
पर्याय
\[[M\,L\,T^{-1}\,A^{-1}]\]
\[[M\,L\,T^{-2}\,A^{-2}]\]
\[[M\,L^2\,T^{-2}\,A^{-2}]\]
\[[M\,L\,T^{-2}\,A^{-1}]\]
MCQ
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उत्तर
Since μ₀ has units of N/A², its dimensional formula is [M L T⁻² A⁻²]. The newton contributes M L T⁻² and the per-ampere-squared contributes A⁻².
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