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Q. What are the different types of distributing frames used in exchanges?
Ans:
Different distribution frames used in exchange are displayed in figure. Each subscriber in a telephone network is connected generally to the nearest switching office by a dedicated pair of wires. Subscriber loop denotes to this pair of wires. It would be unwisely to run physically independent pairs from each subscriber premises to exchange. It is far easier to lay cables comprising a number of pairs of wires for different geographical locations and run individual pairs as needed by subscriber premises.
Q. Show Advantage of digital control system over analog system? Sampled data and digital control offer several advantages over analog systems: • More compact and lightweight
Low Voltage at Transformers While the voltage applied to induction motor varies from the rated voltage, its performance is affected. Against permissible voltage variation of
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With respect to serial communication define the baud rate. The rate of data transfer into serial data communication is denoted in bps. Bits per second (bps) are the rate of in
Q. Explain the action of a pn-junction with bias. Consider both the forward bias and the reverse bias, and use sketches wherever possible.
EXPLAIN UJT WITH ALL SUBTOPICS CONSISTS
Q. Using the small-signal equivalent circuit of a BJT with gm = 0.03 S, β = 75, and VA = 65 V, a load resistor RL is connected from the collector to the emitter, as shown in Figure
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What is the use of basic earth-sun angles? Show by mean of diagram. Illustrate sun as source of energy with relevant data? Illustrate flat plate collectors. Describe liquid f
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