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In this video explore the modeling of DC machines highlighting the duality as motor and generator. Discover the electromotive force, the electromagnetic torque and the electromagnetic power fundamental elements that remain relevant regardless of the role played by the machine. In addition learn how to calculate the voltage across the armature based on the electromotive force and the internal resistance of the rotor winding. What do you think of the video? Leave me your opinion in the comments. I am interested in your opinion For additional information on DC machines watch the information videos watch videos 419 and 420 in my FmecaT channel