A parallel plate capacitor is filled by a dielectric whose relative permittivity varies with the...

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A parallel plate capacitor is filled by a dielectric whose relative permittivity varies with the applied
\( \mathrm{P} \) voltage \( (V) \) as \( \varepsilon=\alpha V \) where \( \alpha=2 \mathrm{~V}^{-1} \). A similar

W capacitor with no dielectric is charged to \( V_{o}=78 \mathrm{~V} \). It is then connected to the uncharged capacitor with the dielectric. Final voltage on the capacitor is
(a) \( 2 \mathrm{~V} \)
(b) \( 3 \mathrm{~V} \)
(c) \( 5 \mathrm{~V} \)
(d) \( 6 \mathrm{~V} \)
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