In the figure below, two parallel-plate capacitors (with air between the plates) are connected to a battery. Capacitor 1 has a plate area of 1.5 cm2 and an electric field (between its plates) of magnitude 2000 V/m. Capacitor 2 has a plate area of 0.70 cm2 and an electric field (between its plates) of magnitude 1300 V/m. What is the total charge on the two capacitors?
The answer is not q = εo
E1A1 + εo
E2A2 = 8.85 e-12 ( 2000
* .015^2 + 1300 * .007^2) = 4.546 e-12 = 4.56 pC
In the figure below, two parallel-plate capacitors (with air between the plates) are connected to a...
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