If the circle in Figures 1, 2, 3 and 4 represent the cross section of a long straight wire that penetrates the sheet perpendicularly, and if a current "directed" towards the page passes through this wire, The lines that can represent the magnetic field due to this electric current are the corresponding to the: a) Figure 4 b) Figure 1 c) Figure 3 d) Figure 2 Figure 1 Figure 2 Figure 3 Figure 4