Charge Q Is Distributed Uniformly Throughout an Insulating Sphere of Radius

question 30

Multiple Choice

Charge Q is distributed uniformly throughout an insulating sphere of radius R. The magnitude of the electric field at a point R/2 from the center is:

• A) Q/4 \(\pi\)\(\varepsilon\)₀R²
• B) Q/ \(\pi\)\(\varepsilon\)₀R²
• C) 3Q/4 \(\pi\)\(\varepsilon\)₀R²
• D) Q/8 \(\pi\)\(\varepsilon\)₀R²
• E) none of these

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Definitions:

Katz

Likely refers to Daniel Katz, an American psychologist known for his contributions to social psychology and the study of attitudes.

Ego-Defensive Function

A psychological mechanism in which individuals adopt attitudes or behaviors to protect their self-esteem or justify actions that might be unacceptable or threatening to their ego.

Attitude Functions

The roles that attitudes play in the cognitive and social processes of an individual, such as expressing values or guiding actions.

Value-Expressive Function

A psychological function wherein attitudes and preferences express the individual's central values and self-concept.