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A parallel-plate air capacitor is made from two plates 0.200 m m square, spaced 0.900 cm...

A parallel-plate air capacitor is made from two plates 0.200 m m square, spaced 0.900 cm c m apart. It is connected to a 120 V V battery

QUESTION: If the battery is disconnected and then the plates are pulled apart to a separation of 1.40 cmcm , what are the answers to parts A, B, C, and D?

Part A was the capacitance was 3.93 x 10^-11 F

Part B was the charge on each plate was 4.7 x 10^-9 C

Part C was the electric field between the plates was 1.3 x 10^4 V/m

Part D was the energy stored in the capacitor was 2.8 x 10^-7 J.

Thank you!

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