Many have witnessed the use of an electrical megaphone for amplification of speech to a crowd. A model of a microphone and speaker and the circuit model are shown. Find v(t) for vs = 10sin(100t)u(t), which could represent a person whistling or singing a pure tone. Answer: (1.55 e−0.6t−1.55 cos100t + 0.279 sin100t)V
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).
Many have witnessed the use of an electrical megaphone for amplification of speech to a crowd. A model of a microphone and speaker and the circuit model are shown. Find v(t) for vs = 10sin(100t)u(t), which could represent a person whistling or singing a pure tone. Answer: (1.55 e−0.6t−1.55 cos100t + 0.279 sin100t)V
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