0.2 



0.3 



0.7 



0.4 0.5 0.6 



RELATIVE RADIUS 



Fig. 12 — End plate currents in TM 02 mode. 



0.3 



0.7 



Fig. 13- 



0.4 . 0.5 0.« 



RELATIVE RADIUS 



-End plate currents in TM 31 mode. 

 43 



0.8 



0.9 



1.0 



