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 the four arms have equal resistance 100 Ω. If the resistance of galvanometer arm is also 100 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