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A -10.0 nC point charge and a +20.0 nC point charge are 14.9 cm apart on the x-axis.
Part A. What is the electric potential at the point on the x-axis where the electric field is zero?
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?
Part C. What is the direction of the electric field at the point on the x-axis, between the charges, where the electric potential is zero?
a. from the positive to the negative charge
b. from the negative to the positive charge
c. up
d. down
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