When a Thin Copper Wire That Is 178 M Long

question 123

Short Answer

When a thin copper wire that is 178 m long is connected between a 1.2-V potential difference, a current of 2.0 amps flows through the wire. What is the diameter of this wire? The resistivity of copper is 1.72 × 10^-8 Ω ∙ m.

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Definitions:

Patricia Hill Collins

An American sociologist known for her research and theory on race, class, gender, sexuality, and nationality, especially in the context of black feminist thought.

Materialist Approach

A perspective that emphasizes the importance of physical conditions and economic factors in determining societal changes and individual behavior.

Critical Theory

A philosophical approach that seeks to understand and critique society and culture, advocating for societal changes.

Political Economy

An interdisciplinary field that examines the relationship between politics and economics, focusing on the ways in which political institutions, the political environment, and the economic system influence each other.