A 10-Mm Diameter Extension Cord Is Made of Metal Having a a Resistivity

question 17

Multiple Choice

A 1.0-mm diameter extension cord is made of metal having a resistivity of 1.68 × 10^-8 Ω ∙ m.When it carries a current of 15 A,what is the potential difference between two points in the cord that are 100 m apart?

• A)12 V
• B)23 V
• C)32 V
• D)41 V

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Definitions:

Endothermic Animals

Organisms that can regulate their body temperature through internal metabolic processes, often referred to as warm-blooded animals.

Four-Chambered Hearts

A heart structure consisting of two atria and two ventricles, found in mammals and birds, allowing for efficient oxygenation of blood.

Air Sacs

Air sacs are part of the avian respiratory system, providing birds with the ability to engage in highly efficient gas exchange.

Warm-Blooded

Organisms, primarily mammals and birds, capable of maintaining a constant body temperature regardless of environmental conditions.