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Physics · PYQ NEET UG 2022
हिन्दीThe dimensions \( [MLT^{-2}A^{-2}] \) belong to the:
Correct answer · Option 1
magnetic permeability
Explanation
Magnetic permeability \( \mu_0 \) has dimensions \( [MLT^{-2}A^{-2}] \), derived from force between two parallel currents \( F = \frac{\mu_0 I_1 I_2 l}{2\pi d} \).
