Homework Help: Physics

Posted by Paul on Thursday, January 28, 2010 at 4:07pm.

A parallel-plate capacitor made of circular plates of radius 55 cm separated by 0.25 cm is charged to a potential difference of 1000 Volts by a battery. Then a sheet of tantalum pentoxide is pushed between the plates, completely filling the gap between them. How much additional charge flows from the battery to one of the plates when the tantalum pentoxide is inserted?
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Physics - Paul, Thursday, January 28, 2010 at 8:35pm
what is the dielectric constant of tantalum pentoxide?

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