Physics 2 Quiz
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CIRCUITS
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A DC network contains three nodes (A, B, C) and a ground reference. The following branch currents have been determined: IAB=2 AI_{AB} = 2\text{ A} (from A to B), IBC=5 AI_{BC} = 5\text{ A} (from B to C), ICA=3 AI_{CA} = 3\text{ A} (from C to A), IAg=1 AI_{Ag} = 1\text{ A} (from A to ground), IBg=0 AI_{Bg} = 0\text{ A}, and ICg=4 AI_{Cg} = 4\text{ A} (from C to ground). There are no independent sources.
A student checks KCL at each node and at the ground node. At which node(s) does KCL fail, indicating an error in the stated branch currents?
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