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Four resistances 3Omega, 6Omega, 4Omega,...

Four resistances `3Omega, 6Omega, 4Omega`, and `12Omega` are connected so as to form Wheatstone's network. Shunt needed across `12Omega` resistor to balance the bridge is

A

24

B

18

C

12

D

8

Text Solution

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The correct Answer is:
A
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