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Force of attraction between the plates of a parallel plate capacitor is
  • A$\frac{{{q^2}}}{{2{\varepsilon _0}AK}}$
  • B$\frac{{{q^2}}}{{{\varepsilon _0}AK}}$
  • C$\frac{q}{{2{\varepsilon _0}A}}$
  • D$\frac{{{q^2}}}{{2{\varepsilon _0}{A^2}K}}$
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