A Very Long, Hollow, Thin-Walled Conducting Cylindrical Shell (Like a Pipe)

question 39

Multiple Choice

A very long, hollow, thin-walled conducting cylindrical shell (like a pipe) of radius R carries a current along its length uniformly distributed throughout the thin shell. Which one of the graphs shown in the figure most accurately describes the magnitude B of the magnetic field produced by this current as a function of the distance r from the central axis?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

---

Definitions:

One Market

A term referring to a single, integrated market where goods, services, capital, and people can move freely without barriers.

Member Nations

Countries that are members of an international organization or agreement, participating in and adhering to its policies and regulations.

Product Names

The titles given to goods or services to distinguish them from those of competitors and to identify them to consumers.