Unformatted text preview: up d) down e) E is zeo. σ>0 < For each pair of infinitesimal charges on the rod which are placed symmetrically about the middle of the rod, the component of that is parallel to the perpendicular bisector of the rod cancel out, leaving only the component parallel to the rod. This leaves only the net downward component as shown....
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- Spring '08
- Charge, Electric charge, rod, perpendicular bisector, positive charge density, net downward component