Potential Due to Point-Charges: Two Point Charges of +2

question 45

Multiple Choice

Potential due to point-charges: Two point charges of +2.0 μC and -6.0 μC are located on the x-axis at x = -1.0 cm and x = +2.0 cm respectively. Where should a third charge of +3.0-μC be placed on the +x-axis so that the potential at the origin is equal to zero? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) x = 4.0 cm
• B) x = 1.0 cm
• C) x = 2.0 cm
• D) x = 3.0 cm
• E) x = 5.0 cm

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Definitions:

Bodily Communication

Refers to the non-verbal exchange of information through body movements, facial expressions, gestures, and posture.

Visual Dominance Behaviour

Tendency to gaze fixedly at a lower-status speaker.

Lower-Status Speaker

Pertains to someone who communicates from a position of reduced social, economic, or professional standing within a given context or hierarchy.

Facial Stress

Tension or strain manifested through facial expressions, often as a result of emotional or physical stress.