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1. A -9.00 nC point charge and a +18.0nC point charge are 15.0 cm apart on...

1. A -9.00 nC point charge and a +18.0nC point charge are 15.0 cm apart on the x-axis.

Part A: What is the electric potential at the point on the xxx-axis where the electric field is zero? Express your answer with the appropriate units.

Part B: What is the magnitude of the electric field at the point on the x-axis, between the charges, where the electric potential is zero? Express your answer with the appropriate units.

2. An AA battery is connected to a parallel-plate capacitor having 3.9cm×3.9cm plates spaced 1.2 mm apart. How much charge does the battery supply to each plate?

Express your answer to two significant figures and include the appropriate units.

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