6. [0/3 Points] DETAILS PREVIOUS ANSWERS A wire is formed into a circle having a diameter of 18.0 cm and placed in a uniform magnetic field of 2.70 mT. The wire carries a current of 5.00 A. (a) Find the maximum torque on the wire. X UN . m (b) Find the range of potential energies of the wire-field system for different orientations of the circle. minimum X maximum Enter a number. X HJ1. [-/2 Points] DETAILS Consider the circuit shown in the figure below. (Let R = 30.0 0.) 25.0 V 10.0 0 a 10.0 0 b 5.00 0 R 5.00 0 A (a) Find the current in the 30.0-0 resistor. A (b) Find the potential difference between points a and b