A Point Charge Q = -500 NC and Two Unknown

question 22

Multiple Choice

A point charge Q = -500 nC and two unknown point charges, q₁ and q₂, are placed as shown in the figure. The electric field at the origin O, due to charges Q, q₁ and q₂, is equal to zero. The charge q₁ is closest to

• A) 130 nC.
• B) 76 nC.
• C) 150 nC.
• D) -76 nC.
• E) -130 nC.

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Definitions:

Periosteum

Bones are encompassed by a rich, vascular connective tissue layer, dense except at the points where joints are formed.

Longitudinal Growth

The increase in length of bones due to the activity in the epiphyseal plates, which contributes to overall height during development.

Epiphyseal Plate

The growth plate located at the end of long bones, responsible for longitudinal growth.

Chondroblasts

Cells that actively produce the components of the extracellular matrix, leading to the formation of cartilage tissue.