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

Question 17

Multiple Choice

Each plate of an air-filled parallel-plate air capacitor has an area of 0.0040 m2,and the separation of the plates is 0.080 mm.An electric field of 5.3 × 106 V/m is present between the plates.What is the energy density between the plates? (ε0 = 8.85 × 10-12 C2/N • m2)


A) 124 J/m3
B) 84 J/m3
C) 170 J/m3
D) 210 J/m3
E) 250 J/m3

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