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If para magnetic core is used in the place of the ferromagnetic core of the transformer, then magnetostriction will ___________

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in Electrical Machines by (135k points)
If para magnetic core is used in the place of the ferromagnetic core of the transformer, then magnetostriction will ___________

(a) be vanished

(b) reduce

(c) increase

(d) not be affected

The question was asked in my homework.

Question is taken from Three Phase Transformers in portion Transformers of Electrical Machines

1 Answer

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Best answer
Right choice is (a) be vanished

To explain I would say: If the core is not ferromagnetic then the transformer will not operate at all so no humming sound.

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