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Four resistances of 15Omega,12Omega,4Ome...

Four resistances of `15Omega,12Omega,4Omega and 10Omega` respectively are connected in cyclic order to form a wheatstone bridge. Is the network balanced? If not, calculate the resistance to be connected in parallel with the resistance of `10Omega` to balance the network

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The correct Answer is:
bridge is not balanced, `10Omega`
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