Part B is what I need help with , I did part A. An AA baterry is connected to a

Question

Part B is what I need help with , I did part A.

An AA baterry is connected to a parallel-plate capacitor having 6.00-cm-diamter plates placed 3mm apart. How much charge does one battery move from one plate to another?

in Q  

What is the potential difference between the terminals of an ordinary AA or AAA battery? (If you're not sure, find one and look at the label.) Express your answer to two significant figures and include the appropriate units. An AA battery is connected to a parallel-plate capacitor having 6.00-cm-diameter plates spaced 3mm apart. How much charge does the battery move from one plate to the other? Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

q =C*v = eo*A/d*v = eo*pi*r^2/d*v

= 8.854x10^-12*pi*(0.030)^2/3x10^-3*1.5 = 12.52x10^-12C

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