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प्रश्न
An iron rod is subjected to a magnetising field of 1200 Am-1 .The susceptibility of iron is 599. Find the permeability and the magnetic field produced.
संख्यात्मक
उत्तर
Given: H = 1200 Am-1, `chi` = 599
Permeability, `mu=mu_0(1+chi)`
`=4pixx10^-7xx(1+599)`
`mu=7.536xx10^-4T mA^-1`
Magnetic field, `B = muH`
`=7.536xx10^-4xx1200`
`B = 0.904 T`
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