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in a potentiometer why does the current through the wire containing galvanometer become zero?

in a potentiometer why does the current through the wire containing galvanometer become zero?

Grade:12

1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
10 years ago


{R_2 \over R_1} = {\mbox{cell voltage} \over V_\mathrm{S}}

since at the balance point, ie the point when the voltage are balance the cell voltage, and the voltage due to potentiometer, the voltage difference will be zero , hence the current will be zero.




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