Each plate of an ideal air-filled parallel-plate capacitor has an area of 0. 0010 , and the separation of the plates is 0. 050mm. An electric field of 7. 4 x 10⁶ V/m is present between the plates. What is the capacitance of this capacitor? (ε0 = 8. 85×10⁽⁻¹²⁾C²/N∙m²) a. 180 pF b. 120 pF c. 300 pF d. 240 pF e. 360 pF