The effective area of each plate of a parallel plate capacitor is 2.1m^(2). The capacitor is filled with neoprene rubber (k) = (6.4). When a 6.0-V potential difference exists across the plates of The effective area of each plate of a parallel plate capacitor is \( 2.1 \mathrm{~m}^{2} \). The capacitor is filled with neoprene rubber \( (k=6.4) \). When a \( 6.0 \mathrm{~V} \) potential difference exists across the plates of the capacitor, what is the capacitance?
A) 0.35 F
B) 0.27 F
C) 0.42 F
D) 0.18 F