Practice - How a Simple DC Motor Works (Step-by-Step Qualitative Process)
Practice Questions
Test your understanding with targeted questions
What is the function of a DC motor?
💡 Hint: Remember what a motor does.
What does the commutator do in a DC motor?
💡 Hint: Think about how it keeps the motor running.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does a DC motor convert?
💡 Hint: Think about the primary function of a motor.
True or False: The commutator maintains the rotational direction of the coil.
💡 Hint: Consider the importance of current direction.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A DC motor uses a coil with 100 turns, drawing 2A when powered. If you double the turns and the current remains the same, how does this affect the torque produced?
💡 Hint: Consider how more turns affect the interaction with the magnetic field.
Given a scenario where a DC motor operates but stops turning after commutation, describe the likely issue and its solution.
💡 Hint: Think about what might obstruct the flow of current.
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Reference links
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