Two point charges of +2.0 μC and -6.0 μC are located on the x-axis at x = -1.0 cm and x = +2.0 cm respectively.Where should a third charge of +3.0-μC be placed on the +x-axis so that the potential at the origin is equal to zero? =
A) x = 4.0 cm
B) x = 1.0 cm
C) x = 2.0 cm
D) x = 3.0 cm
E) x = 5.0 cm

Question

Two point charges of +2.0 μC and -6.0 μC are located on the x-axis at x = -1.0 cm and x = +2.0 cm respectively.Where should a third charge of +3.0-μC be placed on the +x-axis so that the potential at the origin is equal to zero?  = 
A) x = 4.0 cm 
B) x = 1.0 cm 
C) x = 2.0 cm 
D) x = 3.0 cm 
E) x = 5.0 cm

Quizplus · Accepted Answer

The Answer of Two point charges of +2.0 μC and -6.0 μC are located on the x-axis at x = -1.0 cm and x = +2.0 cm respectively.Where should a third charge of +3.0-μC be placed on the +x-axis so that the potential at the origin is equal to zero?  = 
A) x = 4.0 cm 
B) x = 1.0 cm 
C) x = 2.0 cm 
D) x = 3.0 cm 
E) x = 5.0 cm

Two Point Charges of +2