The restoring force on a dielectric in a parallel plate capacitor

被引：2
|
作者：
Staunton, L. P. [1 ]
机构：
[1] Drake Univ, Dept Phys & Astron, Des Moines, IA 50311 USA
来源：
AMERICAN JOURNAL OF PHYSICS | 2014年 / 82卷 / 09期
关键词：
D O I：
10.1119/1.4875058
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
We investigate the restoring force on a dielectric slab being pulled from within the volume of a parallel plate capacitor connected to a battery. Using a conformal mapping to treat the fringing electric field exactly, we numerically obtain an expected Hooke's Law restoring force for small displacements, and a diminishing force for a displacement up to half the length of the dielectric. (C) 2014 American Association of Physics Teachers.
引用
收藏
页码：853 / 859
页数：7
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