Q. 114.3( 3 Votes )

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Answer :

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By applying Kirchhoff’s first law at point A, we get:


----- (i)


By applying Kirchhoff’s second law to closed mesh ABDA


---- (ii)


By applying Kirchhoff’s second law to closed mesh BCDB


------ (iii)


By dividing equation (ii) by (iii), we get;



This is the condition of balance Wheatstone’s bridge.


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