A Parallel-Plate Capacitor Consists of Two Parallel, Square Plates Having $1.0 \mathrm {~mm}$

question 124

Multiple Choice

A parallel-plate capacitor consists of two parallel, square plates having dimensions 1.0 cm by 1.0 cm. The plates are separated by $1.0 \mathrm {~mm}$ and the space between them is filled with Teflon, which has a dielectric constant of 2.1. What is the capacitance of this capacitor? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A) 1.9 pF
• B) 0.44 pF
• C) 2.1 pF
• D) 0.89 pF

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