A Toroid with a Square Cross Section Carries Current I

question 1

Multiple Choice

A toroid with a square cross section carries current i.The magnetic field has its largest magnitude:

• A)at the center of the hole
• B)just inside the toroid at its inner surface
• C)just inside the toroid at its outer surface
• D)at any point inside (the field is uniform)
• E)at none of the above

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