Each Plate of an Ideal Air-Filled Parallel-Plate Capacitor Has an Area

question 129

Multiple Choice

Each plate of an ideal air-filled parallel-plate capacitor has an area of 0.0010 $m ^ { 2 }$ ,and the separation of the plates is $0.050 \mathrm {~mm}$ An $\vec { E }$ field of $7.4 \times 10^6 \mathrm {~V} / \mathrm { m }$ is present between the plates.What is the capacitance of this capacitor? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)180 pF
• B)120 pF
• C)300 pF
• D)240 pF
• E)360 pF

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