i (mA) 250 10 t (ms)
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 triangular current pulse shown is applied to a 20 mH inductor. Write the expressions that describe i(t) in the four intervals t<0, 0≤t≤5 ms, 5 ms≤t≤10 ms, and t>10 ms.
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