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The area of parallel capacitor with air ...

The area of parallel capacitor with air as dielectric medium is `125.6 cm^2` and the separation between the two plates of the capacitor is 2 cm. What will be the radius of a sphere having its capacitane equal to that of the parallel plate capacitor?

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Knowledge Check

  • A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is d and area of each plate is A, energy stored in the capacitor is

    A
    `1/2epsilon_0E^2`
    B
    `(E^2Ad)/epsilon_0`
    C
    `1/2/epsilon_0E^2Ad`
    D
    `epsilon_0EAd`

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