[问答题]
An air-filled parallel-plate capacitlkslwhp9) ja65 w+1tu or has capacgk d6hwbj96;k .vpkt1itance $C_0$. If two identically sized dielectric slabs of dielectric constants $K_1$ and $K_2$ are inserted as shown in Fig. 19–64, what is the new capacitance? [Hint: treat this as two capacitors in combination.]