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JEE Main Physics question

PhysicsUnits and MeasurementJEE Main

Let denote the dimensional formula of the permittivity of the vacuum and that of the permeability of the vacuum. If mass, length, time and electric current, then **[IIT JEE 1998]**

Answer: (B),(C)

Solution

From Coulomb's law, , giving . From

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Question ID VK-157501