ARTIFICIAL ELECTRIC LINES WITH MUTUAL INDUCTANCE. 207 



3.40 



1.36 

 1.3Z 



1.2.4- 

 1.20 

 1.16 



^1.08 

 1,04 

 1.00 



£. .4r .6 .8 l.O 1.2 1.4 1.6 1.8 ZO 2.i> 5.4 

 • Figure 5. 



.2 



.12 



.08- 



.04- 



.00' 



.2 .4- .6 .8 l.O I.Z /.4 /.6' /.S ;e.O £.2 ^.4 



Figure 6. 



mutual inductance is introduced between the series coils. Reference 

 to Figure 6 shows that the attenuation constant a is also slightly 

 smaller with the mutual inductance than without it. 



If air-core coils are to be used it requires less space and is much 



