A fully charged capacitor has a capacitance $'C'$. It is discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat capacity $'s'$ and mass $'m'.$ If the temperature of the block is raised by $'\Delta T',$ the potential difference $'v'$ across the capacitance is
${{mCAT} \over s}$
$\sqrt {{{2mCAT} \over s}} $
$\sqrt {{{2msAT} \over C}} $
${{ms\Delta T} \over C}$
Solution
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