Plates of area A are arranged as shown. The distance between each two plates is d, the net capacitance between ‘a’ and ‘b’ is:
Four metal plates numbered 1, 2, 3 and 4 are arranged as shown in Fig. The area of each plate is A and the separation between the plates is d. The capacitance of the arrangement is
Four metal plates numbered 1, 2, 3 and 4 are arranged as shown in Fig. The area of each plate is A and the separation between adjacent paltes is d. The capacitance of the arrangement is