Dielectrics: The square plates of a 5000-pF parallel-plate capacitor measure 50 mm by 50 mm and are separated by a dielectric that is 0.23 mm thick and totally fills the region between the plates. The voltage rating (the maximum safe voltage) of the capacitor is 400 V. What is the maximum energy that can be stored in this capacitor without damaging it? (?0 = 8.85 × 10-12 C2/N ? m2)

A. 0.40 mJ
B. 0.50 mJ
C. 0.60 mJ
D. 0.70 mJ
E. 0.80 mJ


Answer: A

Physics & Space Science

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