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a material core has 10 turns per cm wire wound uniformly upon it which carries a current of 2 amps.The flux density in the material is 10wb/m2.Calculate magnetising force and magnetisation and also relative permeability of core

a material core has 10 turns per cm wire wound uniformly upon it which carries a current of 2 amps.The flux density in the material is 10wb/m2.Calculate magnetising force and magnetisation and also relative permeability of core

Grade:12th Pass

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
2 years ago
Magnetomotive force (mmf) is the cause of the existence of a magnetic flux in a magnetic circuit, mmf,Fm = NI amperes where N is the number of conductors (or turns) and I is the current in amperes. The unit of mmf is sometimes expressed as ‘ampere-turns’. However since ‘turns’ have no dimensions, the SI unit of mmf is the

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