Submitted by examrobotsa on Thu, 01/01/1970 - 05:30 A current-carrying wire is known to produce magnetic lines of force around the conducting straight wire. The direction of the lines of force may be described byleft-hand thumb rule for up-current and right- hand thumb rule for down-current right-hand thumb rule for up-current and left- hand thumb rule for down-currentright-hand thumb rule for both up and down currentsleft-hand thumb rule for both up and down currentsstats: 0,112,248,160,72,112,16