engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Current, Resistance and Electricity Wheatstone Bridge
Which is not a certain condition for the shown balanced Wheatstone bridge?
1
Ig = 0
2
\( \frac{R_{2}}{R_{1}}=\frac{R_{4}}{R_{3}}\)
3
\(R_{4}=R_3\frac{R_{2}}{R_{1}}\)
4
I = 0