6.6 The voltage waveform in Fig. 6.46 is applied across a 55-μF capacitor. Draw the current waveform through it. v(t) VA 10 0 2 4 6 8 10 12 t (ms) -10 6.8 A 4-mF capacitor has the terminal voltage 50 V, 1≤0 V= Ae-100 + Be-600 V, -600 V, t≥0 If the capacitor has an initial current of 2 A, find: (a) the constants A and B, (b) the energy stored in the capacitor at t = 0, (c) the capacitor current for t> 0.