10 Questions
What type of electric motor uses electromagnetic induction from the stator winding to produce torque?
Induction motor
What type of induction motors are widely used as industrial drives due to their self-starting, reliable, and economical nature?
Three-phase squirrel-cage induction motors
Which type of rotor can an induction motor have?
Wound rotor
For what kind of loads are single-phase induction motors extensively used?
Household appliances
In what year did the French physicist François Arago formulate the existence of rotating magnetic fields?
1824
What is the function of the rotor in an induction motor?
Produce torque through electromagnetic induction from the stator winding
Why are three-phase squirrel-cage induction motors widely used as industrial drives?
They are self-starting, reliable, and economical
What did Walter Baily demonstrate in 1879?
The existence of rotating magnetic fields
What was Ottó Bláthy's contribution to the development of induction motors?
Inventing the first commutator-free single-phase AC induction motor
In which applications can variable-frequency drives (VFD) offer energy savings opportunities for induction motors?
Fans, pumps, and compressors with variable load
Test your knowledge of induction motors with this quiz. Learn about the operation, components, and applications of induction motors.
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