Three long parallel wires are at the corners of a square,
Chapter , Problem 38(choose chapter or problem)
Three long parallel wires are at the corners of a square, as shown in Figure 27-54. The wires each carry a current Find the magnetic field at the unoccupied corner of the square when (a) all the currents are into the page, (b) and are into the page and is out, and (c) and are into the page and is out. Your answers should be in terms of I and L.
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