Two Parallel Plates That Are Initially Uncharged Are Separated by 1.7

question 55

Multiple Choice

Two parallel plates that are initially uncharged are separated by 1.7 mm,have only air between them,and each have surface areas of 16 cm².How much charge must be transferred from one plate to the other if 1.9 J of energy are to be stored in the plates? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)5.6 μC
• B)4.0 μC
• C)8.0 μC
• D)0.60 mC