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AP Physics 2
10.5 Electric Potential
10.3 Electric Fields
10.1 Electric Charge and Electric Force
AdvancedMCQMathematicalConceptual17.2k
A horizontal x-axis with two labeled tick marks at x = 0 and x = d. At x = 0, a large circle represents charge q_1 = +4Q containing plus signs. At x = d, a smaller circle represents charge q_2 = -Q containing minus signs. A dashed horizontal line extends along the x-axis to the right past x = d. No other labels, lines, text, or axes appear.
Two point charges fixed on the x-axis.
Two fixed point charges, \(q_1 = +4Q\) and \(q_2 = -Q\), are positioned on the x-axis at \(x = 0\) and \(x = d\), respectively, where \(d > 0\). The charges are isolated from all other external interactions, and electric potential is defined to be zero at an infinite distance from the charges. Which of the following correctly pairs the coordinate \(x_0\) on the x-axis where the net electric field is zero with the net electric potential \(V_0\) at that same coordinate?

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