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Questions and Answers
What type of electric motor uses electromagnetic induction from the stator winding to produce torque?
What type of electric motor uses electromagnetic induction from the stator winding to produce torque?
- Universal motor
- Induction motor (correct)
- Synchronous motor
- DC motor
What type of induction motors are widely used as industrial drives due to their self-starting, reliable, and economical nature?
What type of induction motors are widely used as industrial drives due to their self-starting, reliable, and economical nature?
- Three-phase synchronous motors
- Three-phase squirrel-cage induction motors (correct)
- Single-phase induction motors
- Universal motors
Which type of rotor can an induction motor have?
Which type of rotor can an induction motor have?
- Brushed rotor
- Turbo rotor
- Wound rotor (correct)
- Magnetic rotor
For what kind of loads are single-phase induction motors extensively used?
For what kind of loads are single-phase induction motors extensively used?
In what year did the French physicist François Arago formulate the existence of rotating magnetic fields?
In what year did the French physicist François Arago formulate the existence of rotating magnetic fields?
What is the function of the rotor in an induction motor?
What is the function of the rotor in an induction motor?
Why are three-phase squirrel-cage induction motors widely used as industrial drives?
Why are three-phase squirrel-cage induction motors widely used as industrial drives?
What did Walter Baily demonstrate in 1879?
What did Walter Baily demonstrate in 1879?
What was Ottó Bláthy's contribution to the development of induction motors?
What was Ottó Bláthy's contribution to the development of induction motors?
In which applications can variable-frequency drives (VFD) offer energy savings opportunities for induction motors?
In which applications can variable-frequency drives (VFD) offer energy savings opportunities for induction motors?
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