A wire is formed into a circle having a diameter of 10.0 cm and placed in a uniform magnetic field of 2.50 mT. The wire carries a current of 5.00 A. (a) Find the maximum torque on the wire. ________ µN·m (b) Find the range of potential energies of the wire-field system for different orientations of the circle. minimum _______________ µJ maximum _________ µJ