The Diagrams Show Three Circuits Consisting of Concentric Circular Arcs

question 27

Multiple Choice

The diagrams show three circuits consisting of concentric circular arcs (either half or quarter circles of radii r, 2r, and 3r) and radial lengths. The circuits carry the same current. Rank them according to the magnitudes of the magnetic fields they produce at C, least to greatest.

• A) 1, 2, 3
• B) 3, 2, 1
• C) 1, 3, 2
• D) 2, 3, 1
• E) 2, 1, 3

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Definitions:

Depressed

Experiencing a persistent feeling of sadness, emptiness, or a decreased interest in life.

Premarital Cohabitation

The practice of living together in a romantic relationship without being married.

Long-term Commitment

A pledge or dedication to a cause, activity, or relationship, expected to continue into the foreseeable future.

Probability

The measure of the likelihood that an event will occur, expressed as a number between 0 and 1.