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Q. Basic working of Star Topology?
In Star topology, all user nodes are connected to central node point that interconnects all individual users links and nodes. Data flows from one node, through star centre to desired receiving node. Central node is like a large switch which routes the data from the input line to the output line. Advanced central nodes can have multiple switching paths, so many paths exist at the same time. This topology is used in a telephone system central office. Addition of a new user node requires running just a single link from the star centre to user without disturbing any other node.
If the stator windings of an alternator were to be supplied by an AC of frequency f (as opposed to drawing an AC current from them as would be the case for an alternator) then
Q. Two three-phase generators are supplying to a common balanced three-phase load of 30 kW at 0.8 power factor lagging. The per-phase impedance of the lines connecting the generato
Q. Electronic Photo Flash? A simplified schematic diagram of the electric circuit of an electronic photo flash typically used on cameras is shown in Figure 7.7.1. By passing a
Explain Limit Signal Spectrum to Prevent Aliasing? The sampling frequency should at least be two times that of the highest frequency in the incoming signal to avoid aliasing. T
Explain numeric processor 8087. Numeric processor 8087 is a coprocessor which has been intended to work under the control of the processor 8086 and offer it additional numeric
Q. Consider an RC parallel circuit excited by (a) i(t) = 20e -2t A, and (b) i(t) = 20 A. Find the forced component of the current through the capacitor for R = 2 and C = 2F.
DCR Decrement Instruction This instruction is used to decrement the contents of any register or memory location by one. There are two formats.
Q. Basic working of optical coupler? The optical coupler is suitable for frequencies in the low megahertz range. The photodiode type shown above can handle only small currents;
what is the application of simple harmonic motion in electrical engineering?
Q. Explain the basic macroeconomic policy trilemma for open economies. Answer: Of three goals mainly countries share - independence in financial policy and stability in t
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