A Solid Insulating Sphere of Radius R Contains a Positive

question 13

Multiple Choice

A solid insulating sphere of radius R contains a positive charge that is distributed with a volume charge density that does not depend on angle but does increase linearly with distance from the sphere center.Which of the graphs below correctly gives the magnitude E of the electric field as a function of the distance r from the center of the sphere?

• A)A
• B)B
• C)C
• D)D

---

Definitions:

Diminishing Returns

An economic principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase if other variables remain at a constant.

Average Total Cost (ATC)

ATC refers to the per-unit cost of production, calculated by dividing the total costs by the quantity of output produced.

Diseconomies of Scale

Increases in the firm’s per-unit costs associated with increases in firm size due to inefficiencies and monitoring problems.

Anti-Employment Discrimination Legislation

Laws designed to prevent discrimination in hiring, promotion, job assignment, termination, and compensation based on certain specified characteristics.