D Question 2 1 pts A parallel-plate capacitor with air in between the two plates has area A - 2.0 x 10 2 my and separation of d = 4.0 x 10 m. What is the capacitance [Select ] of this capacitor? The capacitor is then fully charged by a 10 V battery. What is the energy [ Select ] stored in the capacitor? The battery is then disconnected from the capacitor. An insulating slab with dielectric constant