Physics · 2021
JEE Main · 27 July 2021, Shift 1 · Q8
Two capacitors of capacities 2 C and C are joined in parallel and charged up to potential V. The battery is removed and the capacitor of capacity C…
Two capacitors of capacities $\displaystyle 2$ C and C are joined in parallel and charged up to potential V . The battery is removed and the capacitor of capacity C is filled completely with a medium of dielectric constant K . The potential difference across the capacitors will now be :
Official answer
(4)
$\displaystyle \frac{3 \mathrm{~V}}{\mathrm{~K}+2}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.