Two uniformly charged rods are positioned horizontally as shown. The top rod is positively charged and the bottom rod is negatively charged. The total electric field at the origin:
1.is zero.
2.has both a non-zero x component and a non-zero y component.
3.points totally in the +x direction.
4.points totally in the –x direction.
5.points totally in the +y direction
6.points totally in the –y direction.
7.points in a direction impossible to determine without doing a lot of math.
6
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