L05-page18 - • The induced magnetization is parallel and...

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Induced magnetization (J I )and magnetic susceptibility • A magnetizable body acquires magnetization when H field is applied – Disappears when field is removed – Field ‘induces’ magnetization in material
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Unformatted text preview: • The induced magnetization is parallel and proportional to H: J I = κ H (due to the earth: J I = κ F/ µ o ) – k = susceptibility – k = µ r-1 – Dimensionless, however, k SI =4 π k cgs...
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