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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Definitions:

Universal Instantiation

A logical rule used in proof theory that allows one to deduce a particular instance from a universally quantified statement.

Universal Generalization

A form of reasoning that infers a general rule from specific examples.

Quantifier Negation

This involves reversing the scope of a quantifier in a statement (e.g., from "all" to "not all") to negate the original statement.

Existential Generalization

A logical inference rule stating that if some predicate holds for at least one thing, then there exists something for which that predicate holds.