0-lE 



Uj 



Q: 



3 

 ^O 



OOIE 



0-1 Elr 



OOlE/r 



001 r 



Olr r lOr 



Value of load resistance,/? 

 Graph 1 



I I I ! I iiil 0001E/r 

 lOOr 



(r^Rp) 



0-2 Rp 0-^Rp 0-6 Rp Q-QRp Rp 



Ri 

 Shaft rotation—*- 

 Graph 2. Potentiometric control of power. Potentiometer 

 fed from constant current-type generator 



263 



