engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Measurement of R/L/C Using Bridge Circuits Measurement of Inductance
A Maxwell bridge circuit ABCD has the following arm impedance:
AB, 250 Ω resistance; BC, 15 μF capacitor in parallel with a 10 kΩ resistor; CD, 400 Ω resistor; DA, unknown inductor having inductance L and resistance R.
The supply frequency is 50 Hz. If the bridge is balanced, which of the following is/are true?1
R = 10 Ω
2
L = 1.5 H
3
The quality factor of the coil is 1.19
4
The quality factor of the coil is 4.71