Problem 2 The current shown in Fig. 2 is applied to a 0.25 μF capacitor. The initial voltage on the capacitor is (mA)| zero. a. Find the charge on the capacitor at t = 15 μS. b. Find the voltage on the capacitor at t=30 μS. c. How much energy is stored in the capacitor by this current. 400 0 5 10 t(us) 20 30 40 50 -300 Fig. 2