A slab of width d and dielectric constant K is inserted a distance x between the square parallel plates(of side l)of a capacitor as shown in Fig.2 Determine,as a function of x.a)the capcitance,b)the energy stored if the potential difference is V0,and c) the magnitude and direction of the force exerted on the slab(assume V0 if constant) 图的部分在http://recruit.nchu.edu.tw/college-exam/transfer/transfer-index.htm 97 环境工程学系 普通物理学 麻烦各位解答> < 感谢 --

※ 发信站: 批踢踢实业坊(ptt.cc) ◆ From: 123.195.15.89