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DC motor


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This animation helps you to grasp the direct current electric motor principle (DC motor). No induction process is in action. Only the magnetic force acts upon a current loop.

The sliding brushes permit us to maintain the rotation by fixing the direction of the current under each pole.

Click on 'play' or 'pause' to play or stop the motion.

Click on 'next-image' to go on step by step.

Learning goals

  • To view the respective orientations of the magnetic field, the current and the force at any given time.
  • To understand the role of commutators and brushes.