engineering recuitment PGCIL Trainee Supervisor Electrical Mock Test 2024 Electrical and Electronics Measurements Measurement of R/L/C Using Bridge Circuits Measurement of Resistance
In a Wheatstone's bridge, all four arms have equal resistance 50 Ω. If the resistance of the galvanometer arm is also 50 Ω, then the equivalent resistance of combination as seen by the battery is _____.
1
200 Ω
2
50 Ω
3
25 Ω
4
100 Ω