Two Spheres Are Made of Conducting Material

question 22

Multiple Choice

Two spheres are made of conducting material. Sphere #2 has twice the radius of Sphere #1. What is the ratio of the capacitance of Sphere #2 to the capacitance of sphere #1?

• A) 1, since all conducting spheres have the same capacitance.
• B) 2
• C) 4
• D) 8
• E) A single sphere has no capacitance since a second concentric spherical shell is necessary to make a spherical capacitor. Thus, none of the answers above is correct.

---

Definitions:

Construction Industry

A sector of the economy that is focused on the construction, maintenance, and repair of structures such as buildings, roads, and bridges.

Paid Union Organizers

Individuals employed or appointed by labor unions to organize workers, manage union campaigns, or conduct negotiations with employers.

Outside Consultants

Experts hired from outside an organization to provide specialized advice or services, often in areas such as management, strategy, or labor relations.

Employers' Campaigns

Organized efforts by employers, often aimed at influencing public opinion, employee behavior, or legislative outcomes in favor of the employer's interests.