de de 
dd dll 2 —' E117 Do 25 . (38 
; (z: seh (5 br Hl |} ( ) 
As furgher: ents 17: 
de, de, 
6, ee + mink 
This equation combined with (26) yields: 
de, Acia 
at EE 
(GE). D. 5 ( ) 
D. Cia + C2a 
de, nn Aes 33 
ini Vr hint eee (33) 
D, Cla + C2a 
Now d, becomes: 
Aci 
ds 1.117 WD, me se ee OMEN 
Dp, iat ea 
and d, becomes: 
; : Ae: 
i ANY Dee 
Di 
p, Stat Ca 
If in these equations the value of A from (28) is introduced, 
we get: 
Di Di 
Cla C2— C1— PY mie LW 7 
d === ATD : : 
D, ‘ 
— ct oq 
or 
1,117 Dier Da(eza—C2) + D(C1—e, a) or 
oe (36) 
+ Dy e4a+ Decaan 
and 
__ 1.117 Daeza Deleza— C2) +Di(C1— era) (37) 
EN d Diera + Dar 
in which Cia C2a = GC. Ön == 
The total current density is now given by: 
a(e2a— C: -- 
amit eee) (38° 
d 
This equation combined with: 
E =e + 0 058 '®log eoa 
yields the course of the current tension line. 
