A Tube with a 3

question 9

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 44.0 × 10^-4 T. 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? (μ₀ = 4π × 10^-7 T ∙ m/A)

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

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Definitions:

Experimenter Bias

The influence of the experimenter's expectations or personal beliefs on the outcome of a study, potentially skewing the results.

Subjects' Behaviour

Examination of how research participants act or respond during experiments or studies.

Hypothesis

A proposed explanation for a phenomenon, based on previous observations, that can be tested through experimentation or observation.

Objective Manner

Acting or making decisions based on unbiased criteria and facts rather than personal feelings or opinions.