A capacitor is made of a flat plate of a...

A capacitor is made of a flat plate of area A and a second plate having a stair-like structure as shown in the diagram . The capacitance of the arrangement is -

`(epsilon_0A)/d`

`18/11(epsilon_0A)/d`

`11/18(epsilon_0A)/d`

`(epsilon_0A)/(3d)`

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