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WOLFRAM|DEMONSTRATIONS PROJECT

Dielectric Sphere in a Uniform Electric Field

relative permittivities
surrounding medium
ϵ
r
1
dielectric sphere
ϵ
a
5
This Demonstration shows the electric field in and around a spherical dielectric in a uniform external electric field. The spatial distribution of field intensity and direction are indicated by colors and arrows, respectively. You can vary the relative permittivity of the sphere and the surrounding medium. In the graphics, the radial and axial lengths are normalized to the sphere radius
a
, and the field intensity magnitude is given relative to the applied field
E
0
.
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