A 1000-pf capacitor a 1-mh inductor and a current source of

Question

Q1. A 1000-pF capacitor, a 1-mH inductor, and a current source of 2 cos10⁶t mA are in series. The capacitor voltage is zero at t = 0. Find the energy stored (a) in the inductor at t = 0; (b) in the capacitor at t = 1.571 μs; (c) in both inductor and capacitor together at t = 1 μs.

Q2. A 5-μf capacitor (C = 5 x 10^-6) has an initial voltage of V₀ volts at t = 0 when the current waveform shown is applied. (a) Find v_c(t) for v₀ = 0.