Favorite Demonstration: The Johnson D.C. Electric Motor Recipe—A New Twist to the Mystery of the Electric Motor | NSTA

Favorite Demonstration: The Johnson D.C. Electric Motor Recipe—A New Twist to the Mystery of the Electric Motor

Journal of College Science Teaching—May 1997

The world of electric motors is of interest to students of all ages. To teach students the basic principles underlying the direct current motor, an instructor needs a model that students can handle during a classroom activity or in a simple demonstration. This article provides the recipe to construct the newer and better motor—the Johnson D.C. Electric Motor.

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