A disk of radius a carries uniform surface charge density and rotates with angular speed about the disk axis Show that the magnetic field at the disks center is 1 2 0 ...

Let us consider an elementary ring of radius r and thickness dr Area of the ring dA 2rdr 2rdr Charge ...

A disk of radius a carries uniform surface charge density and rotates with angular speed

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A disk of radius a carries uniform surface charge density σ and rotates with angular speed ω about the disk axis. Show that the magnetic field at the disk’s center is 1/2μ₀σωα.

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Essential University Physics

ISBN: 978-0321976420

3rd Edition Volume 2

Authors: Richard Wolfsonby

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Question Posted: Feb 28, 2020 08:01 AM

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A disk of radius a carries uniform surface charge density and rotates with angular speed

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