E = -E 2€0 , where is the charge per unit area ("surface The electric field due to an infintely large, charged plane is uniform in magnitude and direction and can be written charge density") and is always the same direction, perpendicular to the plane. Consider a uniformly charged disk with a radius of 20 cm. If the electric field vector at point P located a small distance above the disk's center has a magnitude of 334 N/C, wh is the disk's approximate charge? Give your answer in units of pC.

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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.