___________________has least range of speed control?
A. Slip ring induction motor
B. Synchronous motor
C. D.C. shunt motor
D. Schrage motor
A. Slip ring induction motor
B. Synchronous motor
C. D.C. shunt motor
D. Schrage motor
A. Tapped field control
B. Diverter field control
C. Series-parallel control
D. Any of the above
A. Cascade controlled A.C. motor
B. Slip ring induction motor
C. Three phase shunt wound com-mutator motor
D. Any of the above
A. in the direction of electric intensity
B. against electric intensity
C. in any direction
D. in the direction of electric flux
A. Resonant
B. Sideband
C. 3 db
D. None of the above
A. Less current drain on the heavy load torque
B. Current surges after temporary switching off supply
C. Self relieving property
D. Commutating property at heavy load
A. There is considerable power loss
B. There is hum in the output
C. Electrical size of coupling capacitor becomes very large
D. None of the above