In series motor which of the following methods can be used for changing the flux per pole ?
A. Tapped field control
B. Diverter field control
C. Series-parallel control
D. Any of the above
Answer:D
In series motor which of the following methods can be used for changing the flux per pole ?
A. Tapped field control B. Diverter field control C. Series-parallel control D. Any of the above