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An electron moves in a circle of radius r = 6.65 X 10'11 m with a speed 3.17 x 106 m/s. Treat the circular path as a current loop with a constant current equal to the ratio of the electron's charge magnitude to the period of the motion. If the circle lies in a uniform magnetic eld of magnitude B = 7.86 mT, what is the maximum possible magnitude of the torque produced on the loop by the eld? Number Units 0