The dimensional formula of 12μ0H2 (μ0- Permeability of free space and H-magnetic field intensity) is:
A
MLT−1
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B
ML2T−2
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C
ML−1T−2
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D
ML2T−1
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Solution
The correct option is CML−1T−2 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., [ML2T−2L3]=[ML−1T−2]