The path of magnetic flux in a transformer should have?

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The path of magnetic flux in a transformer should have low reluctance.

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Description : The property of a material which opposes the creation of magnetic flux in it is known as?

Answer : The property of a material which opposes the creation of magnetic flux in it is known as reluctance.

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Answer : (i) Magnetic flux density (B): It is the magnetic flux per unit area measured at right angles to the flux path. (Its unit is weber/m2 or tesla).  (ii) Reluctance: It is the ... flux to set up through it and it is reciprocal of reluctance. Permeance = 1/ Reluctance. Unit: weber/ampere.

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Answer : The unit of magnetic flux is weber.

Description : Explain the electrical losses of magnetic materials used for the cores of inductors and transformer.

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Answer : Interpole flux should be sufficient to neutralise both the armature reaction flux as well as commutating e.m.f. induced in the coil.

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Answer : The value of flux involved in the e.m.f. equation of a transformer is maximum value.

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Answer : Those magnetic materials are best suited for making armature and transformer cores which have high permeability and low hystersis loss.

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Answer : Flux density formula

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Description : Explain the leakage flux and its effect with the help of neat diagram.

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