b) Show that the current la in the circuit of Figure Q3b is 4A using the Superposition Theorem. QUESTION 4 20 ਸ 20 20 4A 202. 16V Figure Q3b a) Circuit shown in Figure Q4a is a parallel RLC circuit, illustrate the circuit in phasor domain equivalent circuit and hence find the impedances, Zx, Zin and the steady state current ix(t). is(t)-25 cos 1000t A N Zin • 10 Ω 10 mH 40< Zx 50 pF -0000 50 mH

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When a sinusoidal voltage with an effective value of 5V is applied to the circuit below, find the current drawn from the source, the branch currents, and the phase difference between the current and voltage. Note: Use the differential equation solution of the RLC circuit. The initial conditions will be taken as zero. U 5 V 4 R 2,2 ohm 0000² lo 10 ohm Xc 15 ohm