A Wire of Resistivity ρ Must Be Replaced in a Circuit

question 74

Multiple Choice

A wire of resistivity ρ must be replaced in a circuit by a wire of the same material but four times as long.If,however,the total resistance is to remain as before,the diameter of the new wire must

• A)be the same as the original diameter.
• B)be one-half the original diameter.
• C)be one-fourth the original diameter.
• D)be two times the original diameter.
• E)be four times the original diameter.

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Definitions:

Intent

A determination or resolve to perform an act for a specific purpose, often a crucial factor in legal analysis to establish wrongdoing or contractual agreements.

Social Darwinism

A theory that applies Darwin's concept of natural selection to societies, suggesting that individuals or groups achieve advantage over others as a result of genetic or biological superiority.

Sociological Imagination

The ability to see the relationship between individual experiences and larger social influences, coined by C. Wright Mills.

Spencer's Idea

Associated with Herbert Spencer, who applied evolutionary theory to sociology and philosophy, advocating that society evolves through survival of the fittest.