railway RRB Technician Grade 1 Mock Test 2024 Electrical and Electronics Measurements Measurement of R/L/C Using Bridge Circuits Measurement of Resistance
Identify the CORRECT equation for having a balanced wheatstone bridge.
1
Ra/Rx = R1/R2
2
Rx/Ra = R1/R2
3
Ra/Rx = R2/R1
4
Ra/2Rx = 2R1/R2