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In Wheat stone's bridge P = 9 ohm , Q =...

In Wheat stone's bridge P = 9 ohm , Q = 11 ohms, R = 4 ohm and S = 6 ohms. How much resistance must be put in parallel to the resistance (S) to balance the bridge

A

24 ohms

B

`(44//9)` ohm

C

`26.4` ohms

D

`18.7` ohms

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The correct Answer is:
C
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