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

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

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)

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