772 An infinite cylindrical conductor has an inner radius 7 = 46.4mm and an outer radius r = 79.7mm. The conductor has a linear charge density of A₁ =139 C. On the axis of the cylinder is an infinite line charge with linear charge density X₂ =-12.7 C Determine the electric field magnitude at the point =25.08mm (in)

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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.