Three Equal Negative Point Charges Are Placed at Three of the Corners

question 18

Multiple Choice

Three equal negative point charges are placed at three of the corners of a square of side d as shown in the figure. Which of the arrows represents the direction of the net electric field at the center of the square?

• A) A
• B) B
• C) C
• D) D
• E) The field is equal to zero at point P.

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Definitions:

Proactive Interference

A phenomenon where old memories inhibit the ability to remember new information.

Older Information

Previous or existing knowledge, facts, or data that have been accumulated over time.

Newer Information

Refers to the most recent data, facts, intelligence, or knowledge that has been acquired or updated.

Retroactive Interference

A phenomenon where new memories impair the retrieval of older memories.