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September 1, 2015

Homework Help: physics

Posted by H on Tuesday, July 1, 2008 at 10:45pm.

I have no clue: Two parallel plate capacitors have circular plates. The magnitude of the charge on these plates are the same. However, the electric field between the plates of the first capacitor is 2.2 x 10^5 N/C, while the field within the second capacitor is 3.8x 10^5 N/C. Determine the ratio r2/r1 of the plate radius for the second capacitor to the plate radius for the first capacitor.

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