11. A specimen of iron of permeability 8 x 103 weber/amp x metre is placed in a magnetic field of strength 160 amp/metre. Then magnetic induction in this iron is - (A) 20 x 10' wb/m? (C) 5 x 10 wb/m? (B) 1.28 wb/m? (D) 0.8 wb/m?

11. A specimen of iron of permeability 8 x 103 weber/amp x metre is placed in a magnetic field of strength 160 amp/metre. Then magnetic induction in this iron is - (A) 20 x 10' wb/m? (C) 5 x 10 wb/m? (B) 1.28 wb/m? (D) 0.8 wb/m?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter32: Faraday’s Law Of Induction

Section: Chapter Questions

Problem 46PQ

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

11. A specimen of iron of permeability 8 x 103 weber/amp x
metre is placed in a magnetic field of strength 160 amp/metre.
Then magnetic induction in this iron is -
(A) 20 x 10 wb/m?
(C) 5 x 10 5 wb/m?
(B) 1.28 wb/m?
(D) 0.8 wb/m?

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