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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A 60 pF capacitor is fully charged by a 20 V supply. It is then disconnected from the supply and is connected to another uncharged 60 pF capacitor is parallel. The electrostatic energy that is lost in this process by the time the charge is redistributed between them is (in nJ) ____.

A 60 pF capacitor is fully charged by a 20 V supply. It is then disconnected from the supply and is connected to another uncharged 60 pF capacitor is parallel. The electrostatic energy that is lost in this process by the time the charge is redistributed between them is (in nJ) ____.

Which of the following gives a reversible operation?