Showing posts with label Electromagnetics. Show all posts
Showing posts with label Electromagnetics. Show all posts
Sunday, July 31, 2011
AC Generator
In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. The reverse conversion of electrical energy into mechanical energy is done by a motor; motors and generators have many similarities.
Interactive Animation
Gradient of Scalar Fields
Plots gradients of sample scalar 2-coordinate fields. Three such fields are provided. The plot shows both the direction of the gradient field, and equi-potential (equal value) lines perpendicular to the field lines.
Divergence of Vector Fields
Plots divergence of sample vector fields. Three 2D vector fields are provided. The upper figure plots the vector field itself, and the bottom figure plots the divergence. Colors are used to emphasize heights: red is high, blue is low.
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