Answer :

Concepts/Formulas used:


Kirchhoff’s loop rule:


The sum of potential differences around a closed loop is zero.


Capacitance:


If two conductors have a potential difference V between the them and have charges Q and -Q respectively on them, then their capacitance is defined as




Note that



and



By conservation of charge,





       ………………..(1)


Now, applying Kirchhoff’s loop rule, we get




Using (1), we get





where A is a constant.




Let



Substituting , we get B = -Q


Hence,



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