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Define Cables - Generation and Absorption of Reactive Power?
It is well known that the shunt capacitance of the cable is very large as compared to that of an overhead line. This is because the phase conductor of a cable is very close to the outer earthed metallic sheath. Hence, cables are generators of reactive power. For example, a 275 kV, 240 MVA cable produces 10 to 12 MVAr per mile and a 33 kV cable produces 0.2 MVAr per mile. Consequently they are not used for long a.c. transmission.
Second Quadrant or Class B Chopper Class B chopper is shown in figure in this type of chopper load must contain a dc source E ( may be battery or a DC motor) and induct
Feedback amplifiers are of great importance in electronic circuits. The block diagram of a class of feedback amplifier is shown in Figure. Determine the transfer function C/R for t
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The mathematical relationships of control systems are usually represented by block diagrams, which show the role of various components of the system and the interaction of variable
Q. What is the basic principle of oscillators? In an oscillating circuit, the amplitude of voltage or current oscillations decays with time owing to the dissipation of energy
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Q. Reduce the circuit of Figure to a Thévenin and a Norton equivalent circuit with respect to terminals a-b.
What are usue and all the details of 8051 microcontroller with its block diagram pin diagram and all other details
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Define Johnson Counters to Make Simpler Combinational Logic? The ring counter technique able to be efficiently utilized to implement synchronous sequential circuits. A main pr
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