Multiple Choice
Regenerative method of braking is based on that
A) back e.m.f. is less than the applied voltage
B) back e.m.f. is equal to the applied voltage
C) back e.m.f. of rotor is more than the applied voltage
D) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q14: In Ward-Leonard control the lower limit of
Q15: The plugging gives the<br>A)zero torque braking<br>B)smallest torque
Q16: Which of the following motors one will
Q17: Torque developed by a D.C. motor depends
Q18: Which of the following losses are significantly
Q20: Which of the following motors is usually
Q21: Why are the D.C. motors preferred for
Q22: Ward-Leonard control is basically a<br>A)voltage control method<br>B)field
Q23: In a manual shunt motor starter<br>A)over load
Q24: In a D.C. generator all of the