. Use Parseval's theorem to calculate the energy in each of the following signals: a. xa(t) = 4sinc²(2t), b. x₂(t) = 9 4+t²

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Q: 2) What is the area under the signal x(t) = 4sinc²(3t)?

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Q: 1. C-4 µF. Find and plot the waveforms of current, power, and energy stored at 4 ms.

A: It is given that:

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A: see the attachment please.Explanation:

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Fourier Series

Most of the incidents studied in the field of Engineering and Science as a function of time. For example, current and voltage are in the alternating current circuit. These occasional activities can be analyzed in the activity components (fundamental frequency and harmonics) through a process called Fourier analysis.