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A homemade capacitor is assembled by placing two 9-in.in.-diameter pie pans 2.5 cmcm apart and connecting...

A homemade capacitor is assembled by placing two 9-in.in.-diameter pie pans 2.5 cmcm apart and connecting them to the opposite terminals of a 12 VV battery.

a. Estimate the capacitance.
Express your answer in farads to two significant figures.

b. Estimate the charge on each plate.

Express your answer in coulombs to two significant figures.

c. Estimate the electric field halfway between the plates.

Express your answer in volts per meter to two significant figures.

d. Estimate the work done by the battery to charge the plates.

Express your answer in joules to two significant figures.

e. Which of the above values change if a dielectric is inserted?

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