t = 0 3Ω 24- + 12 V 4 mH v {20 O A) -4V B) OV C) 2V O D) -2V E) 4V
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).
In the circuit below, the switch was opened at t=0 after being closed for a long time. What is the v(t=0+) value of the voltage v(t)? (t=0+, approaching zero from the right)
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