Wagner’s earthing device is employed in A.C. bridge network to – McqOptions

MCQOPTIONS

1.	Wagner’s earthing device is employed in A.C. bridge network to
A.	Shield the bridge elements
B.	Eliminate the effect of earth capacitances
C.	Eliminate the effect of stray magnetic field
D.	Eliminate the effect of stray electric fields
Answer» C. Eliminate the effect of stray magnetic field

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