Question 2.35: A magnetic flux density of B = 0.05 T appears in a magnetic...

A magnetic flux density of  B = 0.05  T  appears in a magnetic material with \mu_{r} = 50 . Find the magnetic susceptibility \chi_m and the magnetic field intensity H .

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The magnetic susceptibility \chi_m is given by

\chi_m =\mu_{r} – 1 = 50 – 1 = 49

The magnetic field intensity H is computed from

H =\frac{ B }{\mu_{r} \mu_{0}}=\frac{0.05}{50 \times 4 \pi \times 10^{-7}}=796  A / m

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