3.1 Two plates, each with an area of 0,0125 m2, are placed 3 mm
apart. A porcelain disc, with a relative permittivity of 4, is
placed between the two plates. The porcelain has an area of 0,02
m2. Determine the applied potential difference and the electrical
field strength if the capacitor has a charge of 35 nC. What is the
capacitance of the capacitor if the porcelain disk is
removed?
3.1 Two plates, each with an area of 0,0125 m2, are placed 3 mm apart. A porcelain disc, with a relative permittivity of
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