Four metallic plates each with a surface area of one side A are placed at a distance d from each other. The plates are connected as shown in the circuit diagram. Then the capacitance of the system between a and b is

Four metallic plates each with a surface area A of one side and placed at a distance d from each other. the plates are connected as shown in the fig. Then the capacitance of the system between a and b is -

Four metallic plates each with a surface area A of one side and placed at a distance d from each other. the plates are connected as shown in the fig. Then the capacitance of the system between a and b is -

Four metallic plates, each with a surface area of one side A, are placed at a distance d form each other. The alternating plates are connected to points A and B as shown in the figure. Then the capacitance of the system is:

Six metallic plated each with a surface area of one side A. are placed at a distanced d from each other. The alternate plates are connected to points P and Q as shown in figure : The capacitance of the system is :

Four metallic plates each with a surface area of one side A are placed at a distance d from each other as shown. Then, the capacitance of the system between X and Y is

Four identical metal plates are located in air at equal distance d from one another. The area of each plate is A . Find the equivalent capacitance of the system between X and Y . .

Four identical metal plates are placed in air parallel to each other with distances d from one another. The area of each plate is equal to A. The arrangement is shown in the figure. Find the capacitance of the system between plates P and R.

Five identical plates of equal area A are placed parallel to each other and at equal distance d from each other as shown in the figure. The effective capacity of the system between the terminals A and B is