The Length of a Certain Wire Is Kept Same While

question 489

Multiple Choice

The length of a certain wire is kept same while its radius is doubled. What is the new resistivity of this wire?

• A) It is increased by a factor of 4.
• B) It is reduced by a factor of 4.
• C) It is increased by a factor of 2.
• D) It is reduced by a factor of 2.
• E) It does not change.

---

Definitions:

Permanent Condition

A state or situation that is not expected to change over time.

Fairness

The quality of making judgments that are free from discrimination or dishonesty.

Basic Consumer Theory

A concept in economics that analyzes consumer choices and behaviors based on preferences, budget constraints, and utility maximization.

Consumer Behavior

The study of how individuals, groups, and organizations select, buy, use, and dispose of goods, services, ideas, or experiences.