In a four-pole D.C. machine
A. All the four poles are north poles
B. Alternate poles are north and south
C. All the four poles are south poles
D. Two north poles follow two south poles
Answer:A
In a four-pole D.C. machine
A. All the four poles are north poles B. Alternate poles are north and south C. All the four poles are south poles D. Two north poles follow two south poles