Classification of Gas Filled Tubes: Vacuum tubes are no doubt, extensively used in communication control and industrial electronic circuits, but these can carry small plate currents (typically from 1 mA to 100 mA). For certain…
Transistor Biasing and Stabilization Interview Questions and Answers: 1. Explain the term biasing. Ans. The proper flow of zero signal collector current and the maintenance of proper collector-emitter voltage during the passage of signal is called…
Phase Control of Three Phase Induction Motor: Figure 11.44 shows the schematic representation of Phase Control of Three Phase Induction Motor. Two thyristors are connected in antiparallel in each line. The firing sequence of the…
Power Factor Correction Circuit: To calculate Power Factor Correction Circuit, Consider an inductive load taking a lagging current I at a power factor cos Φ1. To develop Power Factor Improvement of this circuit, the remedy…
Electrostatic Voltmeters: In Electrostatic Voltmeters fields, the attractive force between the electrodes of a parallel plate capacitor is given by where, V = applied voltage between plates, C = capacitance between the plates, A =…
Current Collection System in Electric Traction and Types of Current Collection: There are mainly two systems of current collection system for locoÂmotives, tramways or trolley buses viz Conductor rail system and Overhead system. Current collection…
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…
Grading of Cables: The process of achieving uniform electrostatic stress in the dielectric of cables is known as grading of cables. It has already been shown that electrostatic stress in a single core cable has…
Single Stage Transistor Amplifiers Interview Questions and Answers: 1. What is an amplifier? Ans. The device that amplifies the amplitude of the input signal is called the amplifier. An amplifier may be defined as a device…
Electrical Energy Definition: Electrical Energy Definition states that energy is the basic necessity for the economic development of a country. Many functions necessary to present-day living grind to halt when the supply of energy stops.…
