Chapter 29, Problem 057 A student makes a short electromagnet by winding 430 turns of wire around a wooden cylinder of diameter d = 4.5 cm. The coil is connected to a battery producing a current of 3.1 A in the wire. (a) What is the magnitude of the magnetic dipole moment of this device? (b) At what axial distance z >> d will the magnetic field have the magnitude 7.0 µT (approximately one-tenth that of Earth's magnetic field)?

Chapter 29, Problem 057 A student makes a short electromagnet by winding 430 turns of wire around a wooden cylinder of diameter d = 4.5 cm. The coil is connected to a battery producing a current of 3.1 A in the wire. (a) What is the magnitude of the magnetic dipole moment of this device? (b) At what axial distance z >> d will the magnetic field have the magnitude 7.0 µT (approximately one-tenth that of Earth's magnetic field)?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 89AP: The current through a circular wire loop of radius 10 cm is 5.0 A. (a) Calculate themagnetic dipole...

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