Four Point Charges of Equal Magnitude but with Varying Signs

question 7

Multiple Choice

Four point charges of equal magnitude but with varying signs are arranged on three of the corners and at the center of the square of side d as shown in the figure.Which one of the arrows shown represents the sum of the forces exerted on the center charge?

• A)A
• B)B
• C)C

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Definitions:

Exercise

Physical activity that is planned, structured, repetitive, and aimed at improving or maintaining physical fitness and overall health.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Demeanor

The outward behavior or bearing of a person, indicating their character or mood.

One-way Mirror

A piece of glass that is a mirror on one side but can be seen through like a window from the other, often used in psychological research or police lineups.