Practice - Construction - 1.3.4.1
Practice Questions
Test your understanding with targeted questions
What component in a motor is responsible for rotation?
💡 Hint: It's the part that spins.
Define slip in the context of induction motors.
💡 Hint: Think about why the rotor cannot spin at the same speed as the magnetic field.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of the rotor in an electrical machine?
💡 Hint: Think about which component actually moves.
True or False: The slip is the same for all operating loads in an induction motor.
💡 Hint: Consider how an overloaded motor behaves.
3 more questions available
Challenge Problems
Push your limits with advanced challenges
An induction motor with a rated speed of 1500 RPM has a slip of 3%. What is the rotor's actual speed?
💡 Hint: Plug into the relationship between synchronous speed and rotor speed.
A certain motor operates with 85% efficiency and the input power is 4000 W. Calculate the mechanical output power.
💡 Hint: Consider efficiency as a fraction of input power.
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Reference links
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