What should be the value of Rv and R4 for the bridge to be balanced?(Given that: R1=4 ohm, R3=8 ohm,)

What should be the value of Rv and R4 for the bridge to be balanced?(G

1.	What should be the value of Rv and R4 for the bridge to be balanced?(Given that: R1=4 ohm, R3=8 ohm,)
A.	n<img alt="Find the value of Rv & R4 for the bridge to be balanced if R1=4 ohm, R3=8 ohm" class="alignnone size-full wp-image-290704" height="265" src="https://www.sanfoundry.com/wp-content/uploads/2020/08/mechatronics-questions-answers-analog-signal-conditioning-bridge-circuits-1-q10.png" width="255"/>
B.	Rv = 3 ohm, R4 = 4 ohm
C.	Rv = 2 ohm, R4 = 4 ohm
D.	Rv = 6 ohm, R4 = 5 ohm
E.	Rv = 1 ohm, R4 = 7 ohm
Answer» C. Rv = 2 ohm, R4 = 4 ohm