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Q. What do you understand by common control?
In some switching systems, control subsystem may be an integral part of switching network itself. Such system iscalled direct control switching systems. Those systems in which control subsystem is outside switching network are called common control switching system. Stronger exchanges are generally direct control systems while crossbar and electronic exchanges are common control system. All stored program control systems are common control systems. Common control is also called register control orindirect control.
With neat diagrams explain the configuration of a step-by-step switching system. Schematic diagram for such an exchange is given in Figure. Every subscriber is connected to a
Q. These data were obtained from tests carried out on a 10-kVA, 2300:230-V, 60-Hz distribution transformer: • Open-circuit test, with low-voltage winding excited: applied voltag
what is the conductive material property''s?
Q. Illustrate Nodal-Voltage Method ? A set of node-voltage variables that implicitly satisfy the KVL equations is selected in order to formulate circuit equations in this nodal
Q. Important function of common control subsystem? If a call is destined to a number in an exchange other than present one processing the digits, initial translator generates t
Give the properties and application of PVC. Polyvinylchloride (PVC): It is replacing rubber to a great extent in veracious applications. There is PVC insulated (non-sheathed)
Illustrate Common Emitter configuration, current amplification factor and collector amplifier. Describe transistor as an amplifier.
A 15kVA has a turns ratio 1:10. If the voltage applied is 13.8kV and the applied load is 20+j6. Find the current in the secondary winding and the active and reactive power consumed
The transformer of Example is supplying full load (i.e., rated load of 50 kVA) at a rated secondary voltage of 240 V and 0.8 power factor lagging. Neglecting the exciting current o
Derive Equation 13-20 pertaining to the conversion algorithm based on redefined unit capacitor
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