Find the Electric Field Just Outside the Paint Layer

Compute each part of given question:

Question: A charged paint is spread in a very thin uniform layer over the surface of a plastic sphere of diameter 17.0 cm, giving it a charge of -16.0 µC.

Part I: Find the electric field just inside the paint layer.

Part II: Find the electric field just outside the paint layer.

Part III: Find the electric field 9.50cm outside the surface of the paint layer.

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