Q2: A system of charges is formed by 3 charges. Three charges have equal magnitude q...

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Q2: A system of charges is formed by 3 charges. Three charges have equal magnitude q = 1911 = = 192 193 1 pC, and with q and q3 positive, and q2 negative charges. The charge locations, relative to the origin (units in nanometers) are = (-3,0), 2 = (0,2), 3(3,0). A 4th charge 94-2 pC is located at the origin. a) Draw the system of charges in a xy coordinate system. b) Compute the unit vectors f, f, f3 and f4. c) Find an expression for the electric field at an arbitrary position = (x, y, z). d) Find an expression for the electrical potential at = (x, y, z). Q2: A system of charges is formed by 3 charges. Three charges have equal magnitude q = 1911 = = 192 193 1 pC, and with q and q3 positive, and q2 negative charges. The charge locations, relative to the origin (units in nanometers) are = (-3,0), 2 = (0,2), 3(3,0). A 4th charge 94-2 pC is located at the origin. a) Draw the system of charges in a xy coordinate system. b) Compute the unit vectors f, f, f3 and f4. c) Find an expression for the electric field at an arbitrary position = (x, y, z). d) Find an expression for the electrical potential at = (x, y, z).