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A bar magnet of length 7cm breath 2cm , ...

A bar magnet of length 7cm breath 2cm , thickness 1 mm , is subjected to a field of 700A/m Given susceptibility is 549 ., calculate `mu_r,mu` flux density

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The correct Answer is:
`550 , 6.9xx10^(-4)T.m. A^(-1),0.48T, 9.6 xx10^(-6)Wb`
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