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Introductory Physics Homework Help
Find V3 to Make I in 10Ω Resistor Zero
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[QUOTE="collinsmark, post: 4499734, member: 114325"] Yes, that's exactly the idea. :approve: However the details of how you do that depend on how you define the directions of the two currents, [I]I[/I][SUB]1[/SUB] and [I]I[/I][SUB]2[/SUB]. So it might be something like [I]I[/I][SUB]1[/SUB] = [I]I[/I][SUB]2[/SUB], or it might be [I]I[/I][SUB]1[/SUB] + [I]I[/I][SUB]2[/SUB] = 0, all depending on how you define their directions. Give it a try, and when you're finished, plug the numbers back in and you'll see (assuming no mistakes were made) that the current through the 10 Ohm resistor is 0, and the potential at point A relative to the bottom node is [I]V[/I][SUB]3[/SUB]. [Edit: Or just follow Andrew Mason's advice. I just noticed that he posted first. :blushing:] [/QUOTE]
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Introductory Physics Homework Help
Find V3 to Make I in 10Ω Resistor Zero
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