Three identical capacitors (initial charge zero) are connected in series combination and charged through a battery of emf $E$ . After removing battery two resistances are connected to these capacitors as given. The heat dissipated in each of the resistance is
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Initial potential difference across each capacitor $\frac{\mathrm{E}}{3}$ for final potential difference across each capaci tor.
$\frac{C E}{3}=3 C V$
$\mathrm{V}=\frac{\mathrm{E}}{9}$
heat loss $\Delta \mathrm{H}=\mathrm{U}_{\mathrm{f}}-\mathrm{U}_{I}$
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