Capacitance of hollow sphere Q a a Capacitance

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Capacitance of hollow sphere Q a a

Capacitance of hollow sphere Q a a

Capacitance of a circular disk Voltage at origin = 0 r a R 2

Capacitance of a circular disk Voltage at origin = 0 r a R 2 -

Capacitance of a circular disk Charge density is uniform s 0 r a R

Capacitance of a circular disk Charge density is uniform s 0 r a R 2 -

Capacitance of parallel plates

Capacitance of parallel plates

t A V

t A V

q 1 q q 2 r 1 electric dipole model of atom r r

q 1 q q 2 r 1 electric dipole model of atom r r 2

q r ur

q r ur

conservative field integrate around a closed loop E

conservative field integrate around a closed loop E

dielectric Surface charge density s Displacement flux density D Electric field E Polarization P

dielectric Surface charge density s Displacement flux density D Electric field E Polarization P Polarization charge density p

Phony $200 bill passes muster January 31, 2001 DANVILLE, Ky. -- A $200 bill

Phony $200 bill passes muster January 31, 2001 DANVILLE, Ky. -- A $200 bill bearing the likeness of President Bush would seem to be an obvious fake. But it seemed real enough to fool one fast-food cashier. Police are looking for the person who used the bill to buy $2. 12 worth of food at a Dairy Queen, and drove away after getting $197. 88 in change. In addition to the Bush portrait on the front, the treasury seal is marked with the phrase, "The right to bear arms. " An oil well appears on the back of the bill. Whoever passed the bill on Jan. 28 could be charged with failure to pay for a purchase, Danville police said. It was such a clear fake that police say it can't be considered a counterfeit.

GO HAWKS BEAT IOWA STATE

GO HAWKS BEAT IOWA STATE

Since neither the Packers nor the Bears made the playoff season last year, the

Since neither the Packers nor the Bears made the playoff season last year, the management of both teams got together and decided that there should be some sort of post season competition between the two teams because of their great rivalry. They decided on a week long ice fishing competition. The team that caught the most fish at the end of the week would win. So on a cold northern Wisconsin lake they began their contest. The first day, after 8 hours, the Packers had caught 100 fish and the Bears' had 0. At the end of the 2 nd day, the Packers had caught 200 fish and the Bears' 0. That evening the Bears' coach got his team together and said, "I suspect some kind of cheating is taking place". So the next morning, he dressed one of his players in green and gold and sent him over to the Packer camp to act as a spy. At the end of the day, he came back to report to the coach. The coach asked, "Well, how about it. . . are they cheating? " "They sure are" the player reported, "They're cutting holes in the ice!"

Capacitance of hollow sphere Q a Capacitance ofCapacitance of hollow sphere Q a Capacitance of
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