Space Waves: Space waves generally behave with merciful simplicity. They travel in (more or less) straight lines! However, since they depend on line-of-sight conditions, space waves are limited in their propagation by the curvature of…
Space Charge Region at a Junction: As explained already, the interface separating the N and P-regions is called the metallurgical junction. Let us consider a step junction in which the doping concentration is uniform in…
Sources of Fault Power: The sources of fault power originate in all the generating and other connected plants which under normal operating conditions draw power from the system. Mainly there are three sources which can…
Source Transformation Technique: Sometimes in the complex network, both the energy sources may be present. But in loop analysis, all the energy sources should be preferably voltage sources and in node analysis, all the energy…
Source Transformation Technique: Source Transformation Technique - In solving networks to find solutions one may have to deal with energy sources. It has already been discussed before that basically, energy Source Transformation are either voltage…
Solid State Voltmeter: Solid State Voltmeter - Figure 4.13 shows the circuit of an electronic voltmeter using an IC OpAmp 741C. This is a directly coupled very high gain amplifier. The gain of the OpAmp…
Solid State Relay Interfacing: To avoid the problems of mechanical relays, Solid State Relay Interfacing are used. In this triac is used as a switching element and isolation is provided by opto isolators or pulse…
Solid State Modulator/Demodulator Circuit: A solid state modulator/demodulator circuit is shown in Fig. 14.41. The transÂformer T is driven by an ac source and couples each secondary connected to the two transistor pairs, Q1 -…
Solid State Drives Interview Questions and Answers: Following are the below Solid State Drives Interview Questions and Answers, Solid State Drives Important Questions and Answers 1. State the requirements of an adjustable speed drive. Ans.…
Solid Grounding or Effective Grounding: When the neutral point of a 3-phase system (e.g. 3-phase generator, 3-phase transformer etc.) is directly connected to earth (i.e. soil) through a wire of negligible resistance and reactance, it…
