A sensitive magnetic instrument can be shielded very effectively from – McqOptions

MCQOPTIONS

1.	A sensitive magnetic instrument can be shielded very effectively from outside magnetic fields by placing it inside a box of [CPMT 1974]
A.	Teak wood
B.	Plastic material
C.	Soft iron of high permeability
D.	A metal of high conductivity
Answer» D. A metal of high conductivity

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