A wire of radius R carries a current I. The current density is given by the function J = Jo (1-r/R) where r is measured from the center of the wire and Jo is a constant. Use Ampère's law to find the magnetic field inside the wire at a distance r < R from the axis. What is the magnitude of B if I = 1A, R = 1.5 mm, and r = 1 mm? 12 mT O 45 mT 45 mT O 1.5 T Ο 148 μ.

A wire of radius R carries a current I. The current density is given by the function J = Jo (1-r/R) where r is measured from the center of the wire and Jo is a constant. Use Ampère's law to find the magnetic field inside the wire at a distance r < R from the axis. What is the magnitude of B if I = 1A, R = 1.5 mm, and r = 1 mm? 12 mT O 45 mT 45 mT O 1.5 T Ο 148 μ.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 11STP

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