Magnetic resonance imaging needs a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound with a single layer of 1.80-mm-diameter superconducting wire. You may want to review (Pages 810 - 814).

Magnetic resonance imaging needs a magnetic field strength of 1.5 T. The solenoid is 1.8 m long and 75 cm in diameter. It is tightly wound with a single layer of 1.80-mm-diameter superconducting wire. You may want to review (Pages 810 - 814).

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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Concept explainers

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.

Question

Magnetic resonance imaging needs a magnetic
field strength of 1.5 T. The solenoid is 1.8 m long
and 75 cm in diameter. It is tightly wound with a
single layer of 1.80-mm-diameter
superconducting wire.
You may want to review (Pages 810 - 814).
Part A
What current is needed?
Express your answer with the appropriate units.
212
μÅ
A
P ?
Submit Previous Answers Request Answer
X Incorrect, Try Again

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