Three Equal Charges +Q Are at Three of the Corners

question 31

Multiple Choice

Three equal charges +Q are at three of the corners of a square of side d.A fourth charge +Q of equal magnitude is at the center of the square as shown in the figure Which one of the arrows shown represents the sum of the forces exerted on the charge at the center of the square?

• A)A
• B)B
• C)C

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Definitions:

Extraversion

A personality trait characterized by outgoingness, high energy, and positive emotions towards social interaction.

Lewis Terman

An American psychologist best known for his work in intelligence testing and for initiating the longitudinal study of gifted children.

Longitudinal Study

A research method in which data is collected from the same subjects repeatedly over a period of time, often many years.

Optimistic Explanatory Style

Refers to a manner of explaining life events in a positive light, attributing good outcomes to personal abilities and bad outcomes to external factors.