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Question

The dimensional formula of 12μ0H2 (μ0- Permeability of free space and H-magnetic field intensity) is:

A
MLT1
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B
ML2T2
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C
ML1T2
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D
ML2T1
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Solution

The correct option is C ML1T2
The given expression is the expression for energy density of a magnetic field. Hence its dimensions must be same as that of energy density, i.e., [ML2T2L3]=[ML1T2]

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