In the network shown, when the terminals of a $$10$$ V cell are connected to A and B, and a galvanometer having coil resistance $$100$$ Ω is connected between C and D, no deflection is registered in the galvanometer. If the same cell is connected between C and D and the same galvanometer is connected between A and B, current flowing through the cell is

Question

In the network shown, when the terminals of a $$10$$ V cell are connected to A and B, and a galvanometer having coil resistance $$100$$ Ω is connected between C and D, no deflection is registered in the galvanometer. If the same cell is connected between C and D and the same galvanometer is connected between A and B, current flowing through the cell is

Infinity Learn · Accepted Answer

In the first case, the network must be a balanced wheat stone bridge. ∴$$R6=24$$⇒$$R=3$$ ΩIn the second case also the circuit is a balanced wheat stone bridge as $$23=46$$∴$$Re=4+26+34+2+6+3$$ Ω$$=185$$ Ω∴$$i=1018/5$$ $$A=259$$ A

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