If the applied voltage to a dc machine is 230V, then the back emf, for maximum power developed is
A. 115 V
B. 200 V
C. 230 V
D. 460V
Answer:A
If the applied voltage to a dc machine is 230V, then the back emf, for maximum power developed is
A. 115 V B. 200 V C. 230 V D. 460V