$A$ capacitor of capacitance $C$ is fully charged. It is discharged through a small coil of negligible resistance embedded in a thermally insulated block of mass $m$ and specific heat capacity $S$. If the temperature of the block rises by $\Delta T$,find the potential difference across the capacitor.
- A$\sqrt{\frac{2mS\Delta T}{C}}$
- B$\frac{mC\Delta T}{S}$
- C$\frac{mS\Delta T}{C}$
- D$\sqrt{\frac{2mC\Delta T}{S}}$
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