2. A thin-walled, hollow sphere of radius 0.250 m has an unknown charge distributed uniformly over it's surface. At 0.300 m from the center of the sphere, the electric field points radially inward and has a magnitude of 1.80 X 102 N/C. How much charge is on the sphere? (3 pts) 3. Human nerve cells have a net negative charge and the material in the interior of the cell is a good conductor. If a cell has net charge of -8.65 pC (picocoulomb), what are the magnitude and direction (inward or outward) of the net flux through the cell boundary? (3 pts)

2. A thin-walled, hollow sphere of radius 0.250 m has an unknown charge distributed uniformly over it's surface. At 0.300 m from the center of the sphere, the electric field points radially inward and has a magnitude of 1.80 X 102 N/C. How much charge is on the sphere? (3 pts) 3. Human nerve cells have a net negative charge and the material in the interior of the cell is a good conductor. If a cell has net charge of -8.65 pC (picocoulomb), what are the magnitude and direction (inward or outward) of the net flux through the cell boundary? (3 pts)

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter15: Electric Forces And Electric Fields

Section: Chapter Questions

Problem 46P: The electric field everywhere on the surface of a charged sphere of radius 0.230 m has a magnitude...

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