The plates of an isolated parallel plate capacitor with a capacitance C carry a charge Q....

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Physics

  1. The plates of an isolated parallel plate capacitor with acapacitance C carry a charge Q. The plate separationis d. Initially, the space between the plates contains onlyair. Then, an isolated metal sheet of thickness 0.5d isinserted between, but not touching, the plates. How does thepotential difference between the plates change as a result ofinserting the metal sheet?

2. A research Van de Graaff generator has a 2.00-m-diametermetal sphere with a charge of 5.00 mC on it. (a) What is thepotential near its surface? (b) At what distance from its center isthe potential 1.00 MB

3. How far apart are two conducting plates that have anelectric field strength of 4.50x103 V/m between them, if theirpotential difference is 15.0 4.

4. What is the capacitance of a parallel plate capacitorhaving plates of area 1.5 m2 that are separated by 0.0200 mm ofneoprene rubber? (b) What charge does it hold when 9.00 V isapplied to it? The dielectric constant of neoprene rubber is6.7.

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