Schering bridge - AC bridge

[@luvit4666]

Vry simple way sir . thanks a lot... monday is my xam

[@athanasenijimbere4031]

verry good bro.thanks

[@shaikshareefrockz9784]

Sir for AC supply we use headphones (or) detectors I think

[@satyamverma05]

At 1:41 you have written i2 in place of i3

[@knowledgeunlimited]

Yes my mistake. But later those currents I wrote directly from circuit, so you can proceed with derivation. Thank you !