Numerical

The magnetic moment of a magnet of dimensions 5 cm × 2.5 cm × 1.25 cm is 3 Am^{2}. Calculate the intensity of magnetization.

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#### Solution

Intensity of magnetization I = M/V where,

M = magnetic moment

V = volume

V = 5 × 10^{-2} × 2.5 × 10^{-2} × 1.25 × 10^{-2}

V = 1.5625 × 10^{-5} m^{3}

I = M/V

I = 3/1.5625 × 10^{-5}

I = 1.92 × 10^{5} A-m

Concept: Magnetisation and Magnetic Intensity

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