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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Figure shows a simple a potentiometer circuit for measuring a small emf produced by a thermocouple. The meter wire PQ has a resistance of 5Ω, and the driver cell has an emf of 2.00V. If a balance point is obtained 0.600 m along PQ when measuring an emf of 6.00 mV, what is the value of resistance R?

Figure shows a simple a potentiometer circuit for measuring a small emf produced by a thermocouple. The meter wire PQ has a resistance of 5Ω, and the driver cell has an emf of 2.00V. If a balance point is obtained 0.600 m along PQ when measuring an emf of 6.00 mV, what is the value of resistance R?

and the driver cell has an emf of 2.00V. If a balance point is obtained 0.600 m along PQ when measuring an emf of 6.00 mV Figure shows a simple a potentiometer circuit for measuring a small emf produced by a thermocouple. The meter wire PQ has a resistance of 5Ω what is the value of resistance R?