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Solve the all parts of following problem:
Problem: The electric field everywhere on the surface of a charged sphere of radius 0.280 m has a magnitude of 570 N/C and points radially outward from the center of the sphere.
Part A: What is the net charge on the sphere?
Part B: What can you conclude about the nature and distribution of charge inside the sphere?
Express your knowledge to solve the above problem.
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