A Small Charged Plastic Ball Is Vertically Above Another Charged $\sqrt { 2 }$

question 80

Multiple Choice

A small charged plastic ball is vertically above another charged small ball in a frictionless test tube as shown in the figure. The balls are in equilibrium a distance d apart. If the charge on each ball is doubled, the equilibrium distance between the balls in the test tube would become

• A) \(\sqrt { 2 }\) d.
• B) 2d.
• C) 4d.
• D) 8d.
• E) d/4.

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Definitions:

Task Difficulty

The level of challenge presented by a task, which can affect an individual's performance and motivation.

Weiner

Refers to Bernard Weiner, an American psychologist known for his attribution theory in social psychology.

Expended Effort

The amount of energy, time, or resources utilized to achieve a result or complete a task.

Self-serving Bias

The common tendency to attribute our successes to internal factors while attributing failures to external ones.