Electric Field and Potential : the Graph in the Figure

question 11

Multiple Choice

Electric field and potential : The graph in the figure shows the variation of the electric potential V (measured in volts) as a function of the radial direction r (measured in meters) . For which range or value of r is the magnitude of the electric field the largest?

• A) from r = 0 m to r = 3 m
• B) from r = 3 m to r = 4 m
• C) from r = 4 m to r = 6 m
• D) at r = 3 m
• E) at r = 4 m

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Definitions:

Transtheoretical Model

A theory of behavior change that outlines five stages people go through in altering their behavior.

"Stages of Change" Model

A conceptual framework in psychology that outlines a sequence of stages people go through in altering their behavior: precontemplation, contemplation, preparation, action, and maintenance.

Reinforcement Management

A technique in behavior management that uses rewards or punishments to increase or decrease the likelihood of a specific behavior.

Consciousness Raising

A form of activism aimed at increasing the awareness about a particular issue or set of issues.