A Rod (Length = 80 Cm) with a Rectangular Cross

question 22

Multiple Choice

A rod (length = 80 cm) with a rectangular cross section (1.5 mm × 2.0 mm) has a resistance of 0.20 Ω. What is the resistivity of the material used to make the rod?

• A) 6.0 × 10−⁷ Ω ⋅ m
• B) 3.8 × 10−⁷ Ω ⋅ m
• C) 7.5 × 10−⁷ Ω ⋅ m
• D) 3.0 × 10−⁷ Ω ⋅ m
• E) 4.8 × 10−⁷ Ω ⋅ m

---

Definitions:

Shared Lived Experience

The commonalities in thoughts, feelings, and experiences among people within a group.

Nursed

Cared for or nurtured, often referring to the act of providing medical care and support to someone who is sick or injured.

Circular

Having the shape or form of a circle; often implies a process or situation that ends where it originally began, creating a loop.

Recursive

Pertaining to a process that repeats itself in a self-similar way, often used in mathematics and computer science to describe functions or algorithms that call themselves.