» Unlabelled » To avoid the effect of stray magnetic field in A.C. bridges we can use _______.

Sunday, 25 August 2013

To avoid the effect of stray magnetic field in A.C. bridges we can use _______.

(a)     magnetic screening
(b)     Wagner earthing device
(c)     wave filters
(d)     any of the above

Ans: a

at

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