Three point charges are on the x axis: q₁ = +2 μC at x = 0, q2 = +2 μC at x = 3 m and q3= -4μC at x = 6 m. What is the w

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Three point charges are on the x axis: q₁ = +2 μC at x = 0, q2 = +2 μC at x = 3 m and q3= -4μC at x = 6 m. What is the work done in moving 1.6 x 10-19 C charge from point A(0, 2) to point B(0, 4)? (i) 8.3 x 10-16 J (ii) 8.55 x 10-15 J (iii) 1.22 x 10-15 J (iv) 4.3 x 10-15 J (iv) only (ii) only (i) only (iii) only