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Two Charges QA = +2 μC and QB = -

Question 38

Multiple Choice

Two charges QA = +2 μC and QB = - 6μC are located on the x-axis at xA= - 1 cm and xB= +2 cm respectively. Where should a third charge, QC = + 3μC, be placed on the positive x-axis so that the potential at the origin is equal to zero?


A) x = 4 cm
B) x = +1 cm
C) x =+2 cm
D) x = 3 cm
E) x = 5 cm

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