Each plate of an ideal air-filled parallel-plate capacitor has an area of 0.0020 
,and the separation of the plates is 
An electric field of 
Is present between the plates.What is the surface charge density on the plates? (ε0 = 8.85 × 10-12 C2/N ∙ m2)
A) 19 µC/m2
B) 39 µC/m2
C) 9.3 µC/m2
D) 28 µC/m2
E) 47 µC/m2
Correct Answer:
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