A Point Charge of +3 $\mu$ C Is Located at the Origin of a Coordinate System

question 43

Multiple Choice

A point charge of +3.0 $\mu$ C is located at the origin of a coordinate system and a second point charge of -9.0 $\mu$ C is at x = 1.0 m. At what point on the x axis is the electrical potential zero?

• A) "+0.33 m"
• B) "-0.25 m"
• C) "+0.25 m"
• D) "+0.75 m"

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Definitions:

Rooting Reflex

A reflex in which infants turn their mouths and heads in the direction of a stroking of the cheek or corner of the mouth.

Stimulus

A stimulus is any event or situation that evokes a sensory or behavioral response in an organism.

Cheek

The soft, fleshy part of the face below the eye and between the nose and ear, often associated with expressions of affection.

Classical Conditioning

A learning process through which an association is formed between a naturally occurring stimulus and a previously neutral stimulus.