The two wires in Figure P19.40 carry currents of 3.00 A
Chapter 19, Problem 19.40(choose chapter or problem)
The two wires in Figure P19.40 carry currents of 3.00 A and 5.00 A in the direction indicated. (a) Find the direction and magnitude of the magnetic eld at a point midway between the wires. (b) Find the magnitude and direction of the magnetic eld at point P, located 20.0 cm above the wire carrying the 5.00-A current
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