engineering recuitment TANGEDCO Field Assistant (Trainee) Mock Test Physics Current, Resistance and Electricity Wheatstone Bridge
In the following diagram, on what value shall we keep R2 so that the current across galvanometer VG is zero?
1
\(R_2 = \frac{R_1R_4}{R_3}\)
2
\(R_2 = \frac{R_3R_4}{R_1}\)
3
\(R_2 = \frac{R^2_1}{R_4}\)
4
\(R_2 = \frac{R_3R_1}{R_4}\)