Problem 4 Consider the RLC circuit initially at rest with sinusoidal voltage input v., (t) = 1 cos(800t )u(t) turned on

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Problem 4 Consider The Rlc Circuit Initially At Rest With Sinusoidal Voltage Input V T 1 Cos 800t U T Turned On 1 (75.39 KiB) Viewed 70 times

Problem 4 Consider the RLC circuit initially at rest with sinusoidal voltage input v., (t) = 1 cos(800t )u(t) turned on at t=0. The values for R, L, and Care R=0.12 L=1.25 mH, C=1.25mF + VC + VR M R IL i(t) с VIN L 1. Transform the circuit to phasor domain. 2. Determine all the phasors for all the circuit variables in rectangular notation and polar notation. 3. Draw phasor diagram ACCURATELY with straight lines and correct angles for all the circuit variables. USE QUADRIL on next sheet. 4. Is this circuit Underdamped, overdamped, or critically damped? 5. At what time does the transient part of the current decay to 0.01% of its initial value? Give value and units. 6. Does the phasor domain analysis describe the dynamic of the circuit exactly or approximately? 7. At what time is the Phasor domain description accurate withing 0.05%?