•• CALC Charge Q is uniformly distributed along a thin, flexible rod of length L. The rod is then bent into the semicircle shown in Figure P23.470. Figure P23.47 Center L a. Find an expression for the electric field E at the center of the semicircle. Hint: A small piece of arc length As spans a small angle AO = As/R, where R is the radius. b. Evaluate the field strength if L = 10 cm and Q = 30 nC.
•• CALC Charge Q is uniformly distributed along a thin, flexible rod of length L. The rod is then bent into the semicircle shown in Figure P23.470. Figure P23.47 Center L a. Find an expression for the electric field E at the center of the semicircle. Hint: A small piece of arc length As spans a small angle AO = As/R, where R is the radius. b. Evaluate the field strength if L = 10 cm and Q = 30 nC.
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
Chapter23: Electric Fields
Section: Chapter Questions
Problem 23.30P: Three charged particles are at the corners of an equilateral triangle as shown in Figure P23.15. (a)...
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