Two wires with current flowing through them perpendicular to the page are shown (position is given in meters and the integral is given in 10-10 Tesla-meters). Also shown is a choice of two detectors that displays the integral, . Choose a detector and observe readings. You may drag a detector from its original position if you wish.
Use your reading(s) and Ampere's law to determine the magnetic field at any point on the surface of the detectors.
Read the magnetic field at any point in the animation by a mouse-down. Enable B Field
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