What should be the value of Rv, for the bridge to be balanced?(Given that: R1=3 ohm, R3=6 ohm, R4=2 ohm)

What should be the value of Rv, for the bridge to be balanced?(Given t

1.	What should be the value of Rv, for the bridge to be balanced?(Given that: R1=3 ohm, R3=6 ohm, R4=2 ohm)
A.	n<img alt="Find the value of Rv, for the bridge to be balanced if R1=3 ohm, R3=6 ohm, R4=2 ohm" class="alignnone size-full wp-image-290709" height="265" src="https://www.sanfoundry.com/wp-content/uploads/2020/08/mechatronics-questions-answers-analog-signal-conditioning-bridge-circuits-1-q3.png" width="254"/>
B.	3 ohm
C.	2 ohm
D.	6 ohm
E.	1 ohm
Answer» E. 1 ohm