In a given coordinate system shown at right, a particle with charge q = 3.6 μC sits at the origin. The coordinates of point A are (0, 5) m. The coordinates of point B are (5, 0) m. The coordinates of point C are (5, 5) m. The coordinates of point D are (5, -5) m.   (a)  How much work is done by the field in moving a proton from point A to point B in J?     (b)  How much work is done by the field in moving a proton from point C to point D in J?    (c)  How much work is done by the field in moving a proton from point C to point A in J?    (d)  How much work is done by the field in moving a proton from point D to point B in J?

Q: F→→ B A

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.