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)
圖的部分在http://recruit.nchu.edu.tw/college-exam/transfer/transfer-index.htm
97 環境工程學系 普通物理學
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