•1 2. Figure 1.5 Full Alternative Text Table 1.4 Interpretation of Reference Directions in Fig. 1.5 Positive Value Negative Value v voltage drop from terminal 1 to terminal 2 voltage rise from terminal 1 to terminal 2 or or voltage rise from terminal 2 to terminal 1 voltage drop from terminal 2 to terminal 1 i positive charge flowing from terminal 1 to terminal 2 positive charge flowing from terminal 2 to terminal 1 or or negative charge flowing from terminal 2 to terminal 1 negative charge flowing from terminal 1 to terminal 2 Table 1.4 Full Alternative Text
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 voltage and current at the terminals of the circuit element are zero for t<0. For t≥0 they are
v=100e−50t sin 150t V,i=20e−50t sin 150t A.
Find the power absorbed by the element at t=20 ms.
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