A Wire Carrying a Current Is Shaped in the Form

question 26

Multiple Choice

A wire carrying a current is shaped in the form of a circular loop of radius 3.0 mm. If the magnetic field strength that this current produces at the center of the loop is 1.1 mT, what is the magnitude of the current that flows through the wire? (μ0 = 4π × 10^-7 T ∙ m/A)

• A) 5.3 A
• B) 16 A
• C) 9.1 A
• D) 23 A

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The process of providing information or comments about something, such as a person's performance or a product's quality, to help improve or affirm it.

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Communication

The exchange or transmission of information, ideas, or feelings between individuals or groups, often through a mutually understood system of symbols.