Parallel-Plate Capacitor: Two large parallel plates are separated by 1.0 mm of air. If the potential difference between them is 3.0 V, what is the magnitude of their surface charge densities? (?0 = 8.85 × 10-12 C2/N ? m2)
A. 2.7 × 10-8 C/m2
B. 1.6 × 10-4 C/m2
C. 5.3 × 10-8 C/m2
D. 3.3 × 10-4 C/m2
Answer: A
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