Engineering, 11.02.2020 04:28, sudotoxic

A disk of radius 2.1 cm has a surface charge density of 5.6 µC/m2 on its upper face. What is the magnitude of the electric field produced by the disk at a point on its central axis at distance z = 9.5 cm from the disk?

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A disk of radius 2.1 cm has a surface charge density of 5.6 µC/m2 on its upper face. What is the mag...