Homework: For the circuit shown in the figure below: 1. Find the mathematical expression for the transient behaviour of the Vc and ic if the capacitor was initially uncharged and the switch is closed at position 1 when t=0 sec. 2. Find the mathematical expression for Vc and ic if the switch is moved to position 2 at t=lt. 3. Plot the waveforms of the c and ic obtained from the parts 1 to 3.

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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).