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A toroid with a square cross section \(\textrm{ cm}\times\)\(\textrm{ cm}\) has an inner radius of \(\textrm{ cm}\). It is wound with turns of wire, and it carries a current of \(\textrm{ A}\).

Question Text#

What is the strength of the magnetic field at the centre of the square cross section?

Answer Section#

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\(B=\) \(\rm\ T\)

Attribution#

Problem is from the OpenStax University Physics Volume 2 textbook, licensed under the CC-BY 4.0 license.
Image representing the Creative Commons 4.0 BY license.