Very Large Capacitors Have Been Considered as a Means for Storing

Multiple Choice

Very large capacitors have been considered as a means for storing electrical energy.If we constructed a very large parallel-plate capacitor of plate area 1.85 m² using paper (κ = 3.7) of thickness 1.5 mm as a dielectric,how much electrical energy would it store at a plate voltage of 1 500 V? (ε₀ = 8.85 × 10−¹² C²/N⋅m²)

A) 0.045 J
B) 9.1 J
C) 910 J
D) 1 800 J
E) 3 600 J