Problem 20.05 - Enhanced - with Solution I Review | Constants V PartA A magnetic field is used to suspend a wire of mass 0.05 kg and length 0.16 m . The wire is carrying a current of 13 A . What minimum magnetic-field magnitude is needed to balance the pull of gravity? Express your answer in teslas to one significant figure. \"seen? Ewes! Answer Provide Feedback Next > Problem 20.51 - Enhanced - with Solution Two high-current transmission lines carry currents of 30.0 A and 80.0 A in the same direction and are suspended parallel to each other 41.0 cm apart. You may want to review (Page) . For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of A superconducting cable. I Review | Constants V Part A If the vertical posts supporting these wires divide the lines into straight 17.0 m segments, what magnetic force does each segment exert on the other? F: N m Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining V PartB Is the force found in part (A) attractive or repulsive? It's is attractive. Previous Answers