In the previous question, the force of attraction between the plates is (1) \( \frac{l \rho g}{2...

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In the previous question, the force of attraction between the plates is
(1) \( \frac{l \rho g}{2} h^{2} \)
(2) \( \frac{l \rho g}{2} h \)
(3) \( \frac{l \rho g}{2} \)
(4) \( \frac{l \rho g}{2 h} \)
(Here \( h \) represents the height to which the liquid rises.)
\( \mathrm{P} \)
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