J/ Analysis Leyden Jar

I don’t know how to handle this Physics question and need guidance.

Answer the following on via complete, grammaticalsentences:

1.Why is the outer conductive layer helpful when charging the jar? It isn’t even in contact with the lid and water!

2.The simplest general equation for the capacitance(effectiveness holdingacharge) of a capacitor isC=εA/z. The three variables are: ε, the permittivity or polarizability of the insulating layer (in this case the glass or plastic); A, the total area ofeither conductive layerincontact withthe insulator; and z, the thickness of the insulating layer:What arethethree ways to improve a Leyden Jar, in theory, based on this equation?