Four Point Charges of Equal Magnitude but with Varying Signs

question 41

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 net force acting on the center charge?

• A) A
• B) B
• C) C
• D) D

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Definitions:

Anatomically Modern Humans

Homo sapiens characterized by anatomical features similar to those of contemporary humans, emerging approximately 300,000 to 200,000 years ago.

Lumpers

Individuals or scholars who prefer to classify information or objects into broad categories, minimizing differences within those categories.

Splitters

Individuals or researchers who emphasize distinctions and differences when categorizing objects or species, often in the context of taxonomy.

Control of Fire

The ability to create, maintain, and use fire, which is considered an important milestone in human evolution for cooking, warmth, and protection.