In the figure the four particles are fixed in place and have charges q1 = q2 = 4e, q3 = 3e, and q4 = −12e. Distance d = 3.26 μm. What is the magnitude of the net electric field at point P due to the particles?
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In the figure the four particles are fixed in place and have charges , and . Distance . What is the magnitude of the net electric field at point due to the particles?