QJEEM22Ph4da5: JEE Main 2022 Physics - Class 12 JEEM22Ph4da5 Solution: A parallel plate capacitor is made up of stair like structure…

A parallel plate capacitor is made up of stair like structure with a plate area A of each stair and that is connected with a wire of length b, as shown in the figure. The capacitance of the arrangement is $$\frac{x}{15}\frac{{\in }_{0}A}{b}$$. The value of x is ____________.