A uniformly charged insulating rod of length 10.0 cm is bent into the shape of a semicircle as shown in the figure below. The rod has a total charge of 7.50 uC. {jfl / [J I r ) l\\ \\\\\\\\ \\\\f=_ we J 6) (a) Find the magnitude of the electric eld (in WC) at O, the center of the semicircle. 42.4*10\"6 / N/C (b) Find the direction of the electric field at O, the center of the semicircle. to the left 0 to the right 0 upward O downward G into the page C out of the page / (c) What if? What would be the magnitude of the electric field (in N/C) at 0 if the top half of the semicircle carried a total charge of 7.50 uC and the bottom half, insulated from the top half, carried a total charge of +7.50 pC? S we (00 What would be the direction of the electric field at 0 if the top half of the semicircle carried a total charge of 7.50 HC and the bottom half, insulated from the top half, carried a total charge of +7.50 uC? O to the left to the right 0 upward O downward 0 into the page C out of the page X