4. A conducting solid sphere with radius 25 cm has a potential of 450 V on its surface. (a) What is the potential at the center of the sphere? (b) How many electrons are taken away form the sphere? (c) What is the surface charge density on the sphere?

4. A conducting solid sphere with radius 25 cm has a potential of 450 V on its surface. (a) What is the potential at the center of the sphere? (b) How many electrons are taken away form the sphere? (c) What is the surface charge density on the sphere?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Electric Potential

Section: Chapter Questions

Problem 25.44P: A uniformly charged insulating rod of length 14.0 cm is bent into the shape of a semicircle as shown...

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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

4. A conducting solid sphere with radius 25 cm has a potential of 450 V on its surface.
(a) What is the potential at the center of the sphere?
(b) How many electrons are taken away form the sphere?
(c) What is the surface charge density on the sphere?
(d) What is the electric field at the surface of the sphere?
(e) What is the electric potential energy of the sphere?

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