engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Measurement of R/L/C Using Bridge Circuits Measurement of Capacitance
A high voltage capacitor is investigated using the Schering bridge shown above. At balance, R3 = 1 kΩ, R4 = 10 kΩ, C1 = 0.1 μF, C3 = 1200 pF.
The dissipation factor of the unknown capacitor if supply frequency is 400 Hz is
1
0.003
2
0.002
3
0.004
4
0.001