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a. Describe the meaning of standing wave ratio. What is the formula for it, if the load is purely resistive? Why is a high value of SWR often undesirable?
b. Determine how the constant intermediate frequency is achieved in the superhetrodyne receiver and also explain the given terms:-
i) sensitivity,
ii) selectivity and
iii) image frequency
voltage regulator using ic 741
Components of GIS: 1. Software: GIS software gives the functions and tools required to store, analyze, and show geographical information. The key software elements are:
Q. What do you mean by digital systems? Electronics information is generally placed into two categories as digital and analog. The Digital information is represented in discret
Q. Mention some characteristics of transistors? · When a NPN transistor is working, there is always a constant 0.6 volt drop between the base and emitter, i.e., the base is alw
Experiment • Wire the circuit shown in Figure. Connect the three oscilloscope channels as shown in Figure. • Select the sinusoidal waveform. Adjust the frequency of the input volt
Electric circuits or networks are formed by interconnecting various devices, sources, and components. Although the effects of each element (such as heating effects, electric-?eld e
Determine Potential Difference: Compute the current through each element of the given network and also determine potential difference across 15 Ω resistor. Figure
advantage and disadvantage of alloying steel with silicon
advantages and disadvantaages of superposition
Q. What do you understand by major systems of a telecommunication network? Explain in detail the subscriber loop systems. Ans: Major systems of any telecommunication netw
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