Two Cylindrical Resistors Are Made of the Same Material and Have

question 22

Multiple Choice

Two cylindrical resistors are made of the same material and have the same resistance.The resistors,R₁ and R₂,have different radii,r₁ and r₂,and different lengths,L₁ and L₂.Which of the following relative values for radii and lengths would result in equal resistances?

• A)r₁ = r₂ and L₁ = 2L₂
• B)2r₁ = r₂ and L₁ = 2L₂
• C)r₁ = r₂ and 4L₁ = L₂
• D)2r₁ = r₂ and 4L₁ = L₂

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Definitions:

Duodenum

The first part of the small intestine immediately beyond the stomach, key in digestion and absorption of nutrients.

Jejunum

The middle section of the small intestine in humans and most higher vertebrates, responsible for the absorption of nutrients.

Ileum

The final and longest segment of the small intestine, where most of the nutrients from digested food are absorbed.

Cardia

The region where the esophagus connects to the stomach, acting as a crucial entry point for food into the stomach.