wave wound

lap wound

delta wound

duplex wound

to avoid sudden loading of the prime mover

to avoid mechanical jerk to the shaft

to avoid burning of switch contacts

all above

electromagnets

permanent magnets

both (a) and (b)

none of the above

number of armature coils

number of armature coil sides

number of armature conductors

number of armature turns

total copper loss and mechanical loss

armature copper loss and iron loss

shunt field copper loss and mechanical loss

iron loss and mechanical loss

rising voltage characteristics

identical voltage characteristics

drooping voltage characteristics

linear voltage characteristics

any even number of conductors

any odd number of conductors

that even number which is exact multiple of poles + 2

that even number which is exact multiple of poles

cumulatively compounded long shunt

differentially compounded long shunt

cumulatively compounded short shunt

differentially compounded short shunt

90%

70%

20%

zero%

2.5%

5%

10%

15%