We Find That N Current Loops Are Coplanar and Coaxial

question 93

Multiple Choice

We find that N current loops are coplanar and coaxial. The first has radius a and current I. The second has radius 2a and current 2I, and the pattern is repeated up to the Nth, which has radius Na and current NI. The current in each loop is counterclockwise as seen from above. The magnitude of the magnetic field at the center of the loops is

• A) .
• C) .
• D) .
• E) .

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Definitions:

Cognitive Dissonance

The mental discomfort experienced when holding two or more contradictory beliefs, values, or attitudes, prompting individuals to seek consistency.

Self-Esteem Threat

A perceived challenge or attack on one's self-worth or self-image, leading to defensive reactions or anxiety.

Counterattitudinal

Relating to or involving actions or behaviors that are contrary to one's stated beliefs or attitudes, often used in the context of persuasion and attitude change research.

Weak Justification

An insufficient or unconvincing reason or rationale to support an action, belief, or argument.