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when a piece of a ferromagnetic substanc...

when a piece of a ferromagnetic substance is put in a uniform magnetic field the flux density inside it is four times the flux density away from the piece the magnetic permeability of the material is

A

1

B

2

C

3

D

4

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The correct Answer is:
D
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PATHFINDER-MAGNETIC EFFECT OF CURRENT AND ELECTROMAGNETISM-I,II AND III-QUESTION BANK
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