In a four-pole D.C. machine____________?
In a four-pole D.C. machine____________? A. all the four poles are north polesB. alternate poles are north and south C. all the four poles are south poles D. two north poles follow two south poles
In a four-pole D.C. machine____________? A. all the four poles are north polesB. alternate poles are north and south C. all the four poles are south poles D. two north poles follow two south poles
A separately excited generator as compared to a self-excited generator_____________? A. is amenable to better voltage control B. is more stable C. has exciting current independent of load currentD. has all above features