The Current in a Long Wire Creates a Magnetic Field

question 33

Multiple Choice

The current in a long wire creates a magnetic field in the region around the wire. How is the strength of the field at distance r from the wire's center related to the magnitude of the field?

• A) field directly proportional to r
• B) field inversely proportional to r²
• C) field directly proportional to r²
• D) field inversely proportional to r

---

Definitions:

Embedded Questions

These are questions that are included within the structure of another sentence, often used to make indirect inquiries or statements.

Relational Immediacy

A concept in communication that refers to the closeness or personalness achieved between participants in communication, enhancing openness and reducing perceived distance.

Interactional Behavior

Refers to how individuals act and react in the presence of others, encompassing verbal and non-verbal communication.

Quantitative Evaluation

The process of using numerical data to measure and assess outcomes or characteristics.