D D-MAN New member Mar 26, 2010 #1 a wire having a mass per unit length of .5 g/cm carries a 2A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward? please give a detailed answer.
a wire having a mass per unit length of .5 g/cm carries a 2A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward? please give a detailed answer.
