Two capacitors of capacities | CAPACITANCE | JEE MAIN 2021

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JEE MAIN 2021

27-07-21 S1

Question

Two capacitors of capacities 2C 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 :

Select the correct option:

A

$\frac{V}{K+2}$

B

$\frac{V}{K}$

C

$\frac{3 \mathrm{~V}}{\mathrm{~K}+2}$

D

$\frac{3 \mathrm{~V}}{\mathrm{~K}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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