If a capacitor holds a charge q at potential difference V between the plates, then the ratio charge q to the potential difference V.
i.e. q/v is a constant called Capacity of the Capacitor and denoted by ‘C’ or C=q/v.
(i) Area of the plates, greater the area, greater is the capacity.
(ii) distance between the plates. lesser the distance, greater is the capacity.
(iii) Nature of the medium between the plates greater the capacity of the medium is Mica or oiled paper rather than air.
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