For protecting a sensitive equipment from the external magnetic field, – McqOptions

MCQOPTIONS

1.	For protecting a sensitive equipment from the external magnetic field, it should be [KCET 1993; CBSE PMT 1998]
A.	Placed inside an aluminium cane
B.	Placed inside an iron cane
C.	Wrapped with insulation around it when passing current through it
D.	Surrounded with fine copper sheet
Answer» C. Wrapped with insulation around it when passing current through it

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