devarshi-dt-logo

Question:

In the given circuit, a charge of +80µC is given to the upper plate of the 4 µF capacitor. Then in the steady state, the charge on the upper plate of the 3 µF capacitor is?

+48µC

+40µC

+32µC

+80µC

Solution:

Let q be the charge on the 3µF capacitor. Then
80 - q / 2 = q / 3
q = 48µC