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Consider the graph shown below. If a tree of the graph has branches 4, 5, 6, then one of the links will be?(a) 3(b) 4(c) 5(d) 6I had been asked this question in an international level competition.My question comes from Link Currents: Tie-Set Matrix in division Methods of Analyzing Circuits of Network Theory

Answer»

The correct answer is (a) 3

Explanation: The BRANCHES of the co-TREE are called LINKS. So the links will be 1, 2, 3. For a GIVEN tree of a graph addition of each link between any two nodes form a loop called fundamental loop.



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