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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.
Q. What is thermal runaway? State one method to prevent the same? The effect of changes in leakage current (ICO) and current gain(b) on the dc bias point is given by the equat
Illustrate how to replace the HT Fuse on a 6-pole and 4-pole structure? Ans: a) Open switch on 6-pole or 4-pole. b) Connect the discharge rod between earth and conduc
DCR Decrement Instruction This instruction is used to decrement the contents of any register or memory location by one. There are two formats.
Q. (a) An ampli?er with F 0 = 3 or 4.77 dB, f 0 = 4 GHz, and BN = 14 MHz is used with an antenna forwhich T a =200K. The connecting path loss is 1.45, or 1.61 dB at a physical t
Give some applications of constantan. Constantan is an alloy of nickel and copper. It is used in thermocouples, motor starters and precision resistors.
Circuits, which provide sinusoidal waveforms, are but useful in themselves and form the basis of many other circuits, such as square and triangular waveform generators, and clocks.
What is Inductance Inductance - the property of an electric circuit by which an electromotive force is induced in it as the result of altering magnetic flux. Electromagn
Q. What is the basic difference between the weighted resistor and the R-2 R ladder D/A converters?
defination and working ?
Q. (a) In the circuit shown in Figure the zener diode (with zero zener resistance) operates in its reverse breakdown region while the voltage across it is held constant at VZ and t
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