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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
(a) A voltage of 9 volts is applied across an empty capacitor with plates of 10 cm2 area separated by a distance of 3 mm. What is the electric charge on the capacitor plates? (b) A dielectric with a relative permittivity of 25 is in-serted between the capacitor plates. What is now the electric charge on the capacitor plates? What is the charge on the surface of the dielectric? What is the total electric dipole moment per unit volume in the dielectric? (c) Suppose instead that the 9-volt battery was disconnected from the capacitor before the dielectric was inserted. After insertion of the dielectric, what is the electric charge on the capacitor plates and on the surface of the dielectric? What is the voltage across the capacitor? What is the total electric dipole moment per unit volume in the dielectric'?
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