1.

The force between the plates of a parallel plate capacitor of capacitance\[C\] and distance of separation of the plates \[d\] with a potential difference \[V\] between the plates, is [MP PMT 1999]  

A.         \[\frac{C{{V}^{2}}}{2d}\]
B.         \[\frac{{{C}^{2}}{{V}^{2}}}{2{{d}^{2}}}\]
C.         \[\frac{{{C}^{2}}{{V}^{2}}}{{{d}^{2}}}\]
D.         \[\frac{{{V}^{2}}d}{C}\]
Answer» B.         \[\frac{{{C}^{2}}{{V}^{2}}}{2{{d}^{2}}}\]


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