At What Distance from a Point Charge of 8

question 52

Multiple Choice

At what distance from a point charge of 8.0 μC would the electrical potential be 4.8 × 10⁴ V? (k_e = 8.99 × 10⁹ N⋅m²/C²)

• A)1.8 m
• B)0.43 m
• C)1.5 m
• D)5.4 m
• E)0.60​ m

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Definitions:

Homeostasis

The tendency of a biological system to maintain stability while adjusting to conditions that are optimal for survival.

Yerkes-Dodson Law

A theory suggesting there is an optimal level of arousal for the best performance of a task; too little or too much arousal can negatively affect task performance.

Moderately Aroused

A state of being neither too relaxed nor too excited, often considered optimal for certain tasks or learning.

Motivated Behavior

Actions that are initiated or influenced by desires and needs, driving individuals towards certain goals.