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Electric circuits or networks are formed by interconnecting various devices, sources, and components. Although the effects of each element (such as heating effects, electric-?eld effects, or magnetic-?eld effects) are distributed throughout space, one often lumps them together as lumped elements. The passive components are the resistance R representing the heating effect, the capacitance C representing the electric-?eld effect, and the inductance L representing the magnetic-?eld effect. Their characteristics will be presented in this section. The capacitor models the relation between voltage and current due to changes in the accumulation of electric charge, and the inductor models the relation due to changes in magnetic ?ux linkages, as will be seen later. While these phenomena are generally distributed throughout an electric circuit, under certain conditions they can be considered to be concentrated at certain points and can therefore be represented by lumped parameters.
Q. An integrator with positive voltage on a noninverting input is shown in Figure. Sketch v o for 60 ms after S has been opened.
Q. In a GLC parallel circuit excited by a current source i(t), for G = 0.5S, L = 3H, and C = 0.5 F, determine i(t) if the inductor current iL(t) = 12e -0.5t .
The input to the satellite system of Figure 1 is a step function θ c (t) = 5u(t) in degrees. As a result, the satellite angle θ(t) varies sinusoidally at a frequency of 10 cycles p
Q. Explain Pulse-Code Modulation? PCM is the simplest and oldest waveform coding scheme for processing an analog signal by sampling, quantizing, and binary encoding. Figure sho
Properties of a semiconductor: What properties of a semiconductor are determined from a Hall effect experiment ? Sol. The Hall Effect experiment is used to determine th
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CURRENTLY, orthogonal frequency division multiplexing (OFDM) is emerging as the preferred modulation technique in modern high data rate broadband wireless mobile communication syst
Components of PLC There are followings three main components of PLC : a.The power supply and rack. b.The central processing unit ( CPU) c.The input / output (I/O
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Tardy Billing and Poor Revenue Collection Prolonged disputes, connivance, lack of consumer friendly policies, incorrect identification of category, fictitious billing (of non-
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