Question
(a) You are standing directly under a power cable that carries a current in the northward direction. What is the direction of the magnetic field
(a) You are standing directly under a power cable that carries a current in the northward direction. What is the direction of the magnetic field that this current produces at your position?
(b) The magnetic field produced by a long, straight power cable is 2 105 T at a distance of 6m. What is the magnitude of the magnetic field at a distance of 3m? 2m?
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Introduction To Solid State Physics
Authors: Charles Kittel
6th Edition
471874744, 978-0471874744
