Answer: Two long, straight wires cross each other at right
Chapter 19, Problem 19.100(choose chapter or problem)
Two long, straight wires cross each other at right angles, as shown in Figure P19.67. (a) Find the direction and magnitude of the magnetic fi eld at point P, which is in the same plane as the two wires. (b) Find the magnetic fi eld at a point 30.0 cm above the point of intersection (30.0 cm out of the page, toward you).
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