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#



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


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