[填空题]
A 3500-pF air-gap capacitord.de2 mdu7f ddc8p,lx8v9ec . is connected to a 22-Vgb-71 mpua/;vn 8wb pl0:ddnryr0bm* battery. If a piece of mica is placed between the plates, how much chppv1*d/dbbl;m8 mb0 n ua-gwr :yr07narge will flow from the battery? $ \times10^{ -7}\,C$
