The Magnitude of The $\vec { B }$ Field That a Long and Extremely Thin Current-Carrying Wire Produces

question 3

Multiple Choice

The magnitude of the $\vec { B }$ field that a long and extremely thin current-carrying wire produces at a distance of 3.0 µm from the center of the wire is 2.0 × 10^-3 T.What is the current through the wire? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A)30 mA
• B)190 mA
• C)19 mA
• D)380 mA

---

Definitions:

Nutrition Counseling

A supportive process, provided by qualified professionals, aimed at helping individuals achieve and maintain a healthy nutritional status and eating habits.

Learning Objectives

Clearly defined goals that outline the specific knowledge or skills participants are expected to acquire through an educational program.

Technical Jargon

Specialized language used by experts in a particular field or profession, often difficult for outsiders to understand.

Effective Education

Education methods or practices that have been shown to result in significant learning gains, measured by improvements in knowledge, skills, attitudes, or behaviors.