A vertical parallel-plate capacitor is half filled with a dielectric for which the dielectric constantis [Fig. (a)]. When this capacitor is positioned horizontally, the fraction of it should be...

A vertical parallel-plate capacitor is half filled with a dielectric for which the dielectric constantis [Fig. (a)]. When this capacitor is positioned horizontally, the fraction of it should be filledwith the same dielectric [Fig.(b)] in order for the two capacitors to have equal capacitance is