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

Bijoy das , 12 Years ago
Grade 12
anser 1 Answers
Sher Mohammad


{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.




Last Activity: 11 Years ago
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