A parallel-plate air capacitor with plates of 11 cm² each, spaced 3.3 mm apart, is connected to a 12 V battery. What is the capacitance of the capacitor?
a) 1.34 x 10⁻¹² F
b) 2.68 x 10⁻¹² F
c) 5.36 x 10⁻¹² F
d) 1.07 x 10⁻¹² F