Four Equal Negative Point Charges Are Located at the Corners

question 90

Multiple Choice

Four equal negative point charges are located at the corners of a square, their positions in the x-y plane being (1, 1) , (-1, 1) , (-1, -1) , (1,-1) . The direction of the electric field on the x-axis at (1, 0) is

• A) .
• B) .
• C) .
• D) .

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Definitions:

Ascending Reticular Activating System

A neural pathway in the brainstem that influences physiological arousal and consciousness.

Arousal and Alertness

Physiological and psychological states of being awake, responsive, and fully engaged with the environment.

NREM

Non-rapid eye movement sleep, which is one of the two basic states of sleep and involves less dreaming and lower body movement compared to REM sleep.

Stages 1, 2, 3, and 4

Refers to various phases within processes or systems, such as the sleep cycles or developmental stages.