Question

Two charges are placed on the x-axis: 5.0 uC is at the origin, -4.0 uC is at x 50 cm. What is the electric field at x 30 cm? Select one: o a. 4.0 x 105 N/C, left b. 5.0x 10 N/C, right c.9.0x 10° N/C, left O d. 1.4 x 10 N/C, right A square of side 0.5 m has a charge at each corner. The upper right hand corner is occupied by a -3 uC charge. Each remaining corner has a 3.0 uc charge. Find the electric field at the center of the square. Select one: a. 2.2x 10 N/C, northeast O b. 4.3 x 10 NC, northeast C. 6.1 x 10° N/C, southwest O d. 9.3 x 10, NC, southwest

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