Use the Following Figure to Answer the Next Problem

question 13

Multiple Choice

Use the following figure to answer the next problem:
-A disk of radius 10 cm has a uniform charge density of 20 nC/cm².The electric potential at a distance x = 20 cm on its axis is

• A)189 kV
• B)267 kV
• C)302 kV
• D)356 kV
• E)421 kV

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Definitions:

Valence

In psychology, the intrinsic attractiveness or averseness of an event, object, or situation, often related to the anticipated satisfaction from an outcome.

Expectancy

In the context of motivational theories, the belief or perception that one's effort will result in attainment of desired performance goals.

Instrumentality

A perception or belief about the degree to which performance leads to the attainment of outcomes or rewards.

Probability

A measure of the likelihood that a particular event will occur, expressed as a number between 0 and 1, where 1 represents certainty.