Physics, 05.03.2020 02:45, Bowied6025

A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively. The surface charge density on the inside surface is −100 nC/m². The surface charge density on the exterior surface is +100 nC/m².
What are the strength and direction of the electric field at points 4, 8, and 12 cm from the center?

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A hollow metal sphere has 6 cm and 9 cm inner and outer radii, respectively. The surface charge dens...