Two uniform infinite line charges in the z-direction at located at x = -1 and at x = 3. At what point on the x-axis is the electric field zero if the densities of the charges at x = -1 and at x = 3 are 4 millicoulombs per meter and 5 millicoulombs per meter, respectively. All coordinates are measured in meters.

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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.