A wire carrying an unknown current into the page is shown above. You may also double-click in the animation to create a field line. Assume that the distance given is in cm and B is given in milli-Tesla.
Determine the current by click-dragging inside the animation to measure the magnetic field. Start More Help
See Giancoli-PA: 20-5, Giancoli-SE: 28-1.
Physlet problem authored by Mario Belloni.
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