1. First setup an appropriate coordinate system. Then identify the symmetry and find the electric field...

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1. First setup an appropriate coordinate system. Then identify the symmetry and find the electric field vector at a distance z above the center of a horizontal circular loop. The loop carries uniform line charge density . The integral should be easy to solve. N r 1. First setup an appropriate coordinate system. Then identify the symmetry and find the electric field vector at a distance z above the center of a horizontal circular loop. The loop carries uniform line charge density . The integral should be easy to solve. N r