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Question 1 Explain how switching systems are classifiedQuestion 2 Explain the function of pulse dialing in rotary dial telephoneQuestion 3 Explain the functioning of crossbar switching system?Question 4 Explain the following
Question 5 What is traffic engineering? Explain the five step process of traffic engineeringQuestion 6 How the switch handles trunk allocation? Explain
WRITE THE PROCEDURE CONDUCT OC AND SC TEST OF AN ALTERNATOR TO FIND SYNCHRONOUS IMPEDENCE
Q. 10-kVA, 4800:240-V, 60-Hz, single-phase transformer has an equivalent series impedance of 120 + j300 referred to the primary high- voltage side. The exciting current of the tr
Q. A satellite radio transmitter has P in = 3 W and G t = 30 dB. The receiving antenna has a circular aperture with radius r at the ground station 30,000 km away. Find r in meter
Q. Explain working of Resistance-capacitance coupled Amplifiers? Resistance-capacitance (RC)-coupled Amplifiers : The following figure illustrates the most widely used method
1 Explain the advantages and disadvantages of optical fiber versus copper Medium of communication 2 Define multiplexing. Explain TDM 3 Describe the protocol architecture and
barrier voltage at pn junction
Q. What is a differentiator circuit? By introducing electrical reactance into the feedback loops of op-amp amplifier circuits, we can cause the output to respond to changes in
Q. What is the need of MODEM in data communication? Need of Modem: Modems are used to interface computers, computer networks in addition to other terminal equipment to teleco
Describe 74LS139 memory decoder. The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connection
Q. The no-load and blocked-rotor tests conducted on a 110-V, single-phase induction motor yield the following data: • No-load test: input voltage 110 V, input current 3.7 A, and
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