Meter Bridge Simulation
Example 3.9
In a metre bridge, the null point is found at a distance of 33.7 cm from A. If now a resistance of 12Ω is connected in parallel with S, the null point occurs at 51.9 cm. Determine the values of R and S.
Galvanometer
R
From the first balance point: R/S = 33.7/66.3
After adding 12Ω parallel to S: 51.9/48.1 = R(S + 12)/12S
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