A Wheatstone bridge has the resistances 10\Omega, 10\Omega,10\Omega and 30\Omega in its four arms. What resistance joined in parallel to the 30Ω resistance will bring it to the balanced condition?

WBJEE 2012 Physics Solved Paper

Question : 29 of 40

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A Wheatstone bridge has the resistances 10Ω,10Ω,10Ω and 30Ω in its four arms. What resistance joined in parallel to the 30Ω resistance will bring it to the balanced condition?

2Ω
5Ω
10Ω
15Ω

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