Question: Consider an electron orbiting a proton and maintained in a fixed circular path of radius R = 5.29 x 10-11 m by the Coulomb force.

Consider an electron orbiting a proton and maintained in a fixed circular path of radius R = 5.29 x 10-11 m by the Coulomb force. Treating the orbiting charge as a current loop, calculate the resulting torque when the system is in a magnetic field of 0.400 T directed perpendicular to the magnetic moment of the electron.

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