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If \( Q \) is the charge on the plates of a capacitor of capacitance \( \mathrm{C}, \mathrm{V} \) the potential difference between the plates, A the area of each plate and d the distance between the plates, the force of attraction between the plates is
\( \mathrm{P} \)
(A) \( \frac{1}{2}\left(\frac{\mathrm{Q}^{2}}{\varepsilon_{0} \mathrm{~A}}\right) \)
(B) \( \frac{1}{2}\left(\frac{\mathrm{CV}^{2}}{\mathrm{~d}}\right) \)
(C) \( \frac{1}{2}\left(\frac{\mathrm{CV}^{2}}{\mathrm{~A} \varepsilon_{0}}\right) \)
(D) \( \frac{1}{4}\left(\frac{\mathrm{Q}^{2}}{\pi \varepsilon_{0} \mathrm{~d}^{2}}\right) \)
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