20 kN t=0 + 10 kN 0.1 µF =vc{t) 50 V 20 kN ir(0)
Sinusoids And Phasors
Sinusoids are defined as the mathematical waveforms that are used to describe the nature of periodic oscillations.
Circuit Theory
Electric circuits are a network that comprises of a closed-loop, which helps in providing a return path for the current through a switch. When the switch is activated, the load operates, and the current accepts a path to finish the circuit at a low potential level from the opposing high potential level. Electric circuits theory is a linear analysis that helps in establishing a linear relation of voltage and current for R (resistance), L (inductance), and C (capacitance).
The switch in the circuit shown in the figure below has been open for a long time. It closes at t = 0s, then 1-Calculate the initial stored energy in the capacitor 2- Find the current iR(t) for t >= 0. 3- Plot the current iR(t) for t >= 0.
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