Parallel Plates: Two Very Large, Flat Plates Are Parallel to Each

question 1

Multiple Choice

Parallel plates: Two very large, flat plates are parallel to each other. Plate A, located at y = 1.0 cm, is along the xz-plane and carries a uniform surface charge density -1.00 μC/m². Plate B is located at y = -1.0 cm and carries a uniform surface charge density +2.00 μC/m². What is the electric field vector at the point having x, y, z coordinates (-0.50 cm, 0.00 cm, 0.00 cm) ? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A) (+1.13 × 10⁵ N/
• B) (-2.83 × 10 N/
• C) (+1.19 × 10 N/
• D) (+1.69 × 10 N/
• E) (-1.19 × 10 N/

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