In the circuit given, the correct relation to a balanced Wheatstone bridge is
1
\(\frac{P}{S} = \frac{R}{Q}\)
2
\(\frac{P}{Q} = \frac{S}{R}\)
3
\(\frac{P}{R} = \frac{Q}{S}\)
4
None of these
In the circuit given, the correct relation to a balanced Wheatstone bridge is