Question:

of 100 A A long horizontal rigidly supported wire carries a

Last updated: 6/10/2023

of 100 A A long horizontal rigidly supported wire carries a

of 100 A A long horizontal rigidly supported wire carries a current I directly above it and parallel to it is a fine wire that carries a current I of 20A and weighs 0 073 N m How far above the lower could the second wire be kept if we wish to support it by magnetic repulsion Given permeability constant o 4x107 Wb Am O O O 54 8 mm 0 548 mm 0 0548 mm 5 48 mm