Value of unknown resistance is found by using which of the following relation?(a) Rx = \(\frac{R_1 R_3}{R_2}\)(b) Rx = \(\frac{R_2 R_1}{R_3}\)(c) Rx = \(\frac{R_2 R_3}{R_1}\)(d) Rx = \(\frac{R_2}{R_1}\)This question was posed to me in quiz.The above asked question is from Inductance Comparison Bridge in chapter Measurement of Inductance and Capacitance of Electrical Measurements

Value of unknown resistance is found by using which of the following r

1.	Value of unknown resistance is found by using which of the following relation?(a) Rx = \(\frac{R_1 R_3}{R_2}\)(b) Rx = \(\frac{R_2 R_1}{R_3}\)(c) Rx = \(\frac{R_2 R_3}{R_1}\)(d) Rx = \(\frac{R_2}{R_1}\)This question was posed to me in quiz.The above asked question is from Inductance Comparison Bridge in chapter Measurement of Inductance and Capacitance of Electrical Measurements
Answer» Correct answer is (C) Rx = \(\frac{R_2 R_3}{R_1}\) EXPLANATION: The inductance comparison bridge MAINLY consists of pure resistances in its ratio arm. The VALUE of unknown resistance is given by the relation Rx = \(\frac{R_2 R_3}{R_1}\).

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