A long copper strip 1.8cm wide and 1.0mm thick is placed in a 1.2T magnetic field. When a steady current of 15A passes through it, the hall emf is measured to be 1.02uV. Determine the drift velocity of the electrons in the coppe

A long copper strip 1.8cm wide and 1.0mm thick is placed in a 1.2T magnetic field. When a steady current of 15A passes through it, the hall emf is measured to be 1.02uV. Determine the drift velocity of the electrons in the coppe

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 64P: A solenoid with an iron core is 25 cm long and is wrapped with 100 turns of wire. When the current...

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Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

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