In the figure, a capacitor is field with dielectrics. The resultant capacitance is

In the figure a capacitor id filled with dielectric. The resultant capacitance is

In the figure a capacitor is filled with dielectrics K_(1) , K_(2) and K_(3) . The resultant capacitance is

In the figure a capacitor is filled with dielectrics K_(1) , K_(2) and K_(3) . The resultant capacitance is

A parallel plate capacitor is filled with dielectrics as shown in Fig. What is its capacitance ?

A dielectric is placed in between the two parallel plates of a capacitor is shown in figure. The dielectric constant of the dielectric is K. If the initial capacitance is C, then the modified capacitance will be

The figure shows a capacitor having three dielectric layers parallel to its plates. Layer x is vacuum, y is conductor and z is a dielectric. Which of the following change(s) will result in increase in capacitance ?