A Wire Carrying a Current Is Shaped in the Form $1.1 \mathrm { mT }$

question 142

Multiple Choice

A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm. If the magnetic field strength at its center is $1.1 \mathrm { mT }$ with no external magnetic fields present, what is the magnitude of the current flowing through the wire? (μ₀ = 4π × 10^-7 T ∙ m/A)

• A) 7.0 A
• B) 28 A
• C) 14 A
• D) 17 A

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Definitions:

Genus Homo

The genus Homo is a classification for the human species and its closest extinct relatives, characterized by bipedalism, larger brains compared to body size, and complex tool use.

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Scientists who study fossils to understand the history of life on Earth, including the evolution and extinction of species.

Continental Drift

A theory that explains the movement of the Earth's continents over geological time, leading to their current positions and formations.

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refers to the physical measurement of the brain's volume or mass, often related to various factors including species, age, and cognitive abilities.