A Tube with a 3

question 7

Multiple Choice

A tube with a 3.0-mm radius has ions flowing through it along its length.To determine the rate at which the charge is being moved through the tube,the magnetic field just outside the tube is measured and found to be If the only contributor to the magnetic field is the moving ions,and if the walls of the container are very thin and do not screen magnetism,what is the magnitude of the current flowing through the tube?

• A) 66 A
• B) 132 A
• C) 829 A
• D) 415 A

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Definitions:

Nuclear Reactors

Facilities used to initiate and control a sustained nuclear chain reaction, primarily for the generation of electricity or for the production of radioactive materials.

Waste

Resources or materials that are discarded without being used effectively or as intended.

Human Beings

Members of the species Homo sapiens, characterized by their ability to think critically, communicate through language, and create complex societies.

Problem-focused Coping

A coping strategy aimed at solving or managing a threatening or challenging situation directly.