Suppose Instead of Using a 12-Gauge (Diameter = 2 $\rho$ (Cu)= 17

question 67

Multiple Choice

Suppose instead of using a 12-gauge (diameter = 2.05 mm) solid copper cable you made a hollow copper cable of outer diameter 2.59 mm (10-gauge) and inner diameter 1.29 mm (16-gauge) .Calculate the length of hollow cable that would give the same resistance as 1 m of 12-gauge solid cable.Use $\rho$ (Cu) = 1.7 $\times$ 10^-8 $\Omega$ /m.

• A)0.402 m
• B)2.48 m
• C)0.833 m
• D)1.44 m
• E)1.20 m

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Definitions:

Vitamin C

A water-soluble vitamin found in various fruits and vegetables, essential for the repair of tissue and enzymatic production of certain neurotransmitters.

Scurvy

A disease resulting from a deficiency of vitamin C, characterized by swollen bleeding gums, bruising, joint pain, and general weakness.

Magnesium

A mineral and a key component of many enzymes, playing a critical role in various physiological processes including muscle and nerve function, blood sugar control, and blood pressure regulation.

Carbon Dioxide Metabolism

The process by which living organisms produce energy through the oxidation of carbon dioxide, or its involvement in photosynthesis in plants.