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Unformatted text preview: (b) equal to, or (c) less than the net force experienced at point B? B A +q +q PHYSICS 6B Ch.17 Worksheet www.clas.ucsb.edu/staff/vince/ 5) Find the magnitude of the electric field produced by a 1.0 μC point charge at a distance of (a) 0.75 m and b) 1.5 m. 6) In a certain region of space, a uniform electric field has a magnitude of 4.60 x 10 4 N/C and points in the positive x direction. Find the magnitude and direction of the force this field exerts on charges of (a) +2.80 μC and (b) -9.30μC 7) Two charges q 1 and q 2 , have equal magnitudes and are placed as shown in the figure below. The net electric field at point P is vertically upward. We must conclude that (a) q 1 is positive and q 2 is negative. (b) q 1 is negative and q 2 is positive. (c) q 1 and q 2 are both negative. (d) q 1 and q 2 are both positive. P q 1 q 2 E...
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