Basic Maths and Units and DimensionsMedium

Question

The magnetic moment has dimensions of :

Options

A.[LA]

B.[L²A]

C.[LT^-1A]

D.[L²T^-1A]

Solution

Magnetic moment of a coil carring current is, M = I.A
[Ais area of cross section and i is current is]
Dimension of m = AL²

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