6.2 The RC Circuit: Example 6-2 cont.
The current in the left mesh is: (10 V. - 5 V.) / 4 W = 1.25 A. and KVL (right mesh) yields: 10 V. - 1.25 A. ´ 2 W - vSS(t) = 0 V. \ as indicated below vSS(t) = 7.5 V.
Next, write the appropriate differential equation for the capacitor’s voltage v(t) for t > 0