engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Potentiometers Basic Potentiometer Circuit
The dc potentiometer shown in the figure has working current of 10 mA with switch S open. Let Rg + R1 = 100Ω. The galvanometer G can only detect currents greater than 10 μA. The maximum percentage error in the measurement of the unknown e.m.f. Ex as calculated from the slider position shown is closest to
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