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Physics

DC motor 3D virtual lab

DC Motor 3D Virtual Lab makes the hidden mechanism of a two-pole motor visible: magnetic field, coil current, magnetic force, split-ring commutation, dead spots and back-EMF.

Students can change the supply EMF, magnetic field and commutator gap, reverse the polarity, swap the magnets, pause the motion and test force-direction predictions.

Claude Fable 5 homopolar motor 3D explorer

Homopolar Motor 3D Explorer is an alternate, orbitable model created using Claude Fable 5. It makes the magnet's closed field loops, the conventional current path and the tangential magnetic force visible around the classic battery–magnet–wire motor.

Students can reverse the current, flip the magnet, change current and field strength, pause the dynamics and compare the three-dimensional B–I–F relationship with the observed rotation.

Homopolar motor 3D lab showing current, magnetic field and force

Homopolar Motor 3D Lab makes the invisible physics of the simplest electric motor visible. Students can orbit a battery–magnet–wire model, trace the closed current path, inspect smooth magnetic-field loops and compare the local current, field and force vectors that produce rotation.

The activity is designed to connect the global picture of a magnet's field—from its north pole through space and back into its south pole—with the local radial field component that acts on the current-carrying conductor.

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