Two capacitors of capacitances | CAPACITANCE

JEE MAIN 2020

05-09-2020 S1

Question

Two capacitors of capacitances C and 2C are charged to potential differences V and 2V, respectively. These are then connected in parallel in such a manner that the positive terminal of one is connected to the negative terminal of the other. The final energy of this configuration is

Select the correct option:

$\frac{3}{2} \mathrm{CV}^2$

$\frac{9}{2} \mathrm{CV}^2$

Zero

$\frac{25}{6} \mathrm{CV}^2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution