PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
6th Edition
ISBN: 9781429206099
Author: Tipler
Publisher: MAC HIGHER
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Chapter 24, Problem 48P
(a)
To determine
The self-capacitance of earth.
(b)
To determine
The charge density of earth.
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An isolated conducting sphere has a charge q of 1.5 µC. Its radius R is 6.5 cm. (a) How much PE is stored in the electric field of this charged conductor? (b) What is the energy density at the surface of the sphere?
Two parallel conducting plates are seperated by 1.0 mm and carry equal but opposite charge densities. If the difference between them is 2.0 V, what is the magnitude of the surface charge density on each plate?
An electric field of 6.50×105 V/m is desired between two parallel plates, each of area 45.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate?
Express your answer using three significant figures and include the appropriate units.
Chapter 24 Solutions
PHYSICS F/SCI.+ENGRS.,STAND.-W/ACCESS
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