3. An equilateral triangular coil of wire is very tightly wrapped and has side lengths L, 2 turns, and a steady current I. The coil is placed in a uniform magnetic field pointing upwards: B You can define your coordinate system however you want but it should be right handed (meaning x = k). a) What is the magnetic dipole moment of the coil? b) What is the net force on the coil and what is the net torque around the center of the coil? c) What is the potential energy of the coil as shown in the figure? What is the potential energy of the coil in its minimum and maximum potential energy orientations?