Two infinitely long rods are parallel to one another and perpendicular to the plane of the page, as shown. The rod on the left has a uniform positive charge density, +A, and the rod on the right has a uniform negative charge density, -A. Determine an expression for the electric field at P1 & P2 in component form.

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.