Class AB Power Amplifier Working Principle: In class AB power amplifier, the biasing circuit is so adjusted that the operating point Q lies near the cutoff voltage. During a small portion of negative half cycle…
Development of Electric Power Industry: The basic human need for safe, efficient, and affordable light became the driving force which led to the Development of Electric Power Industry of today's continent-spanning electric energy or power…
Permanent Magnet Moving Coil Instrument (PMMC): In this type of Permanent Magnet Moving Coil Instrument (PMMC), we have a coil suspended in the magnetic field of a permanent magnet in the shape of a horse-shoe.…
Difference between Commercial Liquid Dielectrics and Pure Liquid Dielectrics: The difference between Commercial Liquid Dielectrics and Pure Liquid Dielectrics is given below Commercial Liquid Dielectrics - Commercial liquids are insulating liquids like oils which are…
Laplace Properties: Laplace transforms have the following Laplace Properties. (a) Superposition Property: The first Laplace Properties is Superposition Property. The Laplace transform of the sum of the two or more functions is equal to the…
Single Phase Separately Excited DC Motor Drives: The circuit arrangement of a Single Phase Separately Excited DC Motor Drives Drives fed from a single phase controlled converter is shown in Fig. 4.56. The block 1…
Color Television Receiver Block Diagram: Figure 17-25 shows the block diagram of a Color Television Receiver Block Diagram, but for simplicity the circuits shown in Figure 17-23 are omitted. Interconnection points are shown on both…
Harmonic Distortion in Power Amplifier - Waveform and Derivation: Harmonic Distortion in Power Amplifier - Output signal variations of less than 360° of the signal cycle are considered to have distortion. This means that the…
Difference between Static Relay and Electromagnetic Relay: The difference between static relay and electromagnetic relay is given in table below Sl no Static Relay Electromagnetic Relay 1 It consumes less power. It consumes more power.…
Electric Traction Motors Interview Questions and Answers: 1. Why the magnetic circuit of a traction motor is not made of cast iron ? Ans. Because cast iron cannot withstand continuous vibrations but traction motors operate…