Ekktricüätsbeioegung in verzweigten Stromkreisen. 



229 



(19) 



VK, 



(«) 



iVi-'^.)' 



(n\^- \v){iF,+ w,) 



( w, + w,) ( »r. + W+ w,) - {y^ -w, ^ 



w. 



tk"" = 



(i/i-.r 



. ( ^K, + VK) ( w^, + w^) 



ir, + TF,) ( w, + vr + ^K,) - f j/^ + w, j 



ir,. 



(20) 



ik;"'=- 



iv; 



(") 



(]/§- W, J - (fr, 4- H^) (W^, + W,) 



ir,+ itv)(»',+ II- + KV) - {y^-\v}j 



.{W, + W)(W,+ W,) 



(ir,+ ii;)(ir, + w+w.,) 



Vh-.)' 



N:o 1. 



