Two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm, and each of them has an area of 190 mm2
How much charge must be transferred from one plate to the other if 1.1 nJ of energy are to be stored in the plates? (?00 = 8.85 × 10-12 C2/N • m2)
A) 56 pC
B) 39 pC
C) 78 pC
D) 3.5 µC
A
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