[7]The Ta/Ia graph of a dc series motor is a
A. Parabola from no load to overload
B. Straight line throughout
C. Parabola throughout
D. Parabola upto full load and a straight line at overloads
Answer:D
[7]The Ta/Ia graph of a dc series motor is a
A. Parabola from no load to overload B. Straight line throughout C. Parabola throughout D. Parabola upto full load and a straight line at overloads