{{tag>magnetostatic field_lines exam_ee2_SS2021}}{{include_n>1160}} #@TaskTitle_HTML@##@Lvl_HTML@#~~#@ee1_taskctr#~~ Magnetic Field Lines\\ (written test, approx. 4 % of a 120-minute written test, SS2021) #@TaskText_HTML@# Several parallel conductors are projecting out of the plane. \\ The same current $|I|$ flows through all the conductors in different directions (see image below). \\ Sketch at least 10 field lines of the magnetic field strength $\vec{H}$ in such a way that the different properties of the field lines (e.g. direction and density) can be seen. {{drawio>ee2:76ksbc114ylxftfldiagram1.svg}} #@ResultBegin_HTML~1~@# * high density of field lines near the conductors * direction of the field lines given by the right-hand rule * magnetic field has closed field lines * resulting field given by superposition of field lines {{drawio>ee2:76ksbc114ylxftfl_solution.svg}} #@ResultEnd_HTML~1~@# #@TaskEnd_HTML@#