Two Point Charges of +2

question 27

Multiple Choice

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:

Opposition

The movement or capability of positioning one's thumb against the fingertips of the same hand, enabling grasping and manipulation of objects.

Pronation

The movement of rotating the forearm or foot so that the palm or sole is facing downwards or backwards.

Circumduction

A circular movement of a body part, such as a limb, that outlines a cone shape.

Circumduction

A movement that combines flexion, extension, abduction, and adduction in such a way that the distal end of the body part moves in a circle.