Physics · 2020
JEE Main · 5 September 2020, Shift 1 · Q12
Two capacitors of capacitances C and 2C are charged to potential differences V and 2 V, respectively. These are then connected in parallel in such a…
Two capacitors of capacitances C and 2C are charged to potential differences V and $\displaystyle 2$ V , 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 :
Official answer
(2)
$\displaystyle \frac{3}{2} \mathrm{CV}^2$
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.