First slide
Kirchhoff's rules for capacitors

Two plates, each of area A, are placed parallel to each other at a distance d. One plate is connected to a battery of emf E and its negative is earthed. The other plate is also earthed. The charge drawn by plate is 


The circuit can be redrawn as shown in figure. Charge on capacitor is


Options 1 and 3 and 4 are incorrect.

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