Solve the Problem

question 238

Multiple Choice

Solve the problem. Round to the nearest tenth unless indicated otherwise.
-At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.8 ohm when the diameter is 1 mm and the length is
200 cm, what is the resistance when the diameter is 2 mm and the length is 1050 cm?

• A) 210.0 ohm
• B) 262.5 ohm
• C) 1.1 ohm
• D) 2.1 ohm

---

Definitions:

Divorce

The legal dissolution of a marriage by a court or other competent body.

Great-Grandparenting

The role and experience of being the grandparent to one's grandchild's child, involving relationships that span four generations.

Sense of Renewal

The feeling or experience of being refreshed or rejuvenated.

Mark of Longevity

Signifies indicators or characteristics associated with a longer lifespan.