A. One stage
B. Two stages
C. Three stages
D. More than one stages
A. Unsuitable for heavy duty starting
B. Torque varies as armature current
C. Torque-armature current is a straight line
D. Torque is zero for zero armature current
A. charge will flow from A to B
B. charge will flow from B to A
C. no flow of charge will occur
D. both a and b are possible
A. Sum of a.c. and d.c.
B. c. only
C. c. only
D. difference of a.c. and d.c.
A. 675
B. 275
C. 572
D. 573
A. 12 V
B. 24 V
C. 0 V
D. 6 V
A. 100 O cm
B. 6000 O cm
C. 3 x 105 O m
D. 6 x 10-8 O cm