A beam contains 2.0 x 108 doubly charged positive ions per cubic centimeter, all of which are

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A beam contains 2.0 x 108 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 1.0 x 105 m/s. What are the

(a) Magnitude and

(b) Direction of the current density J?

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 19, 2011 05:07 AM

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A beam contains 2.0 x 108 doubly charged positive ions per cubic centimeter, all of which are

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a The magnitude of the current density is given by J nqva ...View the full answer

Fundamentals of Physics

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