A. zero
B. small
C. the same as rated voltage
D. high
A. where low voltage and high currents are involved
B. where high voltage and small cur-rents are involved
C. in both of the above cases
D. in none of the above cases
A. reduce the bulk
B. provide the bulk
C. insulate the core
D. reduce eddy current loss
A. same kW rating
B. the same operation r.p.m.
C. the same droog voltage characteristics
D. same percentage regulation
A. the brushes of opposite polarity should track each other
B. the brushes of same polarity should track each other
C. brush position has no effect on the commutator grooving
D. None
A. direction of induced e.m.f.
B. direction of flux
C. direction of motion of the conductor if forefinger points in the direction of generated e.m.f.
D. direction of motion of conductor, if forefinger points along the lines of flux
A. Series generator
B. Shunt generator
C. Compound generator
D. None of the above