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Q. Illustrate simple telephone communication system with circuit and equation of current flow in microphone?
Ans:
Simple Telephone Communication: In the simplest form of a telephone circuit, there is one way communication which involves two entities, one transmitting (talking)and the other receiving (listening).
Q. The voltage at terminal a relative to terminal b of an electric component is v(t) = 20 cos 120πt V. A current i(t) =-4 sin 120πt A ?ows into terminal a. From time t 1 to t 2 ,
working principal
Q. What is Digital system components? The reason that digital systems are so inexpensive and yet so powerful is that they consist of very large numbers of just a few building
Voltage Quality Standards - KPI The term voltage quality (or power quality) is an umbrella concept for a variety of disturbances within a power system. The quality of delivere
Avalanche Breakdown: This type of breakdown takes place when both sides of junction are lightly doped and consequently the depletion layer is large. In this case, the electric
demerits of sumpner test
Determine the form factor and peak factor: Determine the form factor and peak factor for the above half rectified wave. Solution From the above example, I rms =
Q. If the line of Problem 15.1.3 is made of copper whose resistivity ρ = 1.72×10 -8 ·m, determine the maximum length that can be used if losses are not to exceed 3 dB when f = 3
The rectangular pulse train of Figure (a) consists of pulses of height A and duration D. Such pulse trains are employed for timing purposes and to represent digital information. Fo
Q. What do you mean by Star Topology? Star Topology: In Star topology, all user nodes are connected to central node point that interconnects all individual users' links and nod
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