Point charge q +2 C is located at (-1, 0) and point charge Q₂-2 C is located at (1, 0). A test charge go-2x10 Cis moved from position a-(0, 1) to position b-(1, 1) by an external force. What is the work doneby the external force? Ignore the change in kinetic energy. Units are in meters for (x, y) positions.+yOFF9₁a.b A charge of +2x10C is at the origin and a charge of -3x10C is on the x-axis at x-4 m. Point a is on thex-axis at x = 2 m; point b is on the x-axis at x -2 m. What is the potential difference Vb -Va (unit in Volt)?

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