DW EditShow pageOld revisionsBacklinksAdd to bookExport to PDFFold/unfold allBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. {{tag>magnetic_potential exam_ee2_SS2024}}{{include_n>1060}} #@TaskTitle_HTML@##@Lvl_HTML@#~~#@ee1_taskctr#~~ Magnetic Potential \\ <fs medium>(written test, approx. 8 % of a 120-minute written test, SS2024)</fs> #@TaskText_HTML@# Calculate the magnetic potential difference $V_\rm m$ for the following paths as shown by the solid lines. \\ Dotted lines are only for there for symmetry aspects! \\ \\ The wires conduct the following currents: * $|I_1|=2 ~\rm A$ * $|I_2|=5 ~\rm A$ * $|I_3|=11 ~\rm A$ * $|I_4|=7 ~\rm A$ Pay attention to the signs of the currents (given by the diagrams) and of the results! {{drawio>ee2:kmp8r8y6lvwjnoc3_question1.svg}} #@HiddenBegin_HTML~kmp8r8y6lvwjnoc3_12,Result~@# Based on the right-hand rule and the part of a full revolution the following results: - Task: $+I_1 - I_2 = -3 ~\rm A$ \\ \\ - Task: $+{{1}\over{4}} I3 = 11/4 ~\rm A$ (it does not matter which way the path goes from the startpoint to the endpoint, as long as it has the same direction and number of revolutions) \\ \\ - Task: $-{{1}\over{4}} I1 = -0.5 ~\rm A$ \\ \\ - Task: $+2 \cdot I_2 - 1 \cdot I_3 = -1 ~\rm A$ \\ \\ #@HiddenEnd_HTML~kmp8r8y6lvwjnoc3_12,Result~@# #@TaskEnd_HTML@# CKG Edit magnetic potential exam ee2 ss2024