Armature Voltage Control using Transformer: Variable voltage for the dc motor control can also be obtained by either using an auto-transformer or a Armature Voltage Control using Transformer with tappings (either on primary or on…
Wein Bridge Oscillator using Op Amp: The Wein bridge is an ac bridge that balances only at a particular supply frequency. In the Wein Bridge Oscillator using Op Amp (Fig. 16-10), a Wein bridge circuit…
Magnetic Properties of Materials: Magnetic Properties of Materials - From the magnetic point of view a material is classified according to the nature of its relative permeability (μr). All nonmagnetic materials are classified as paramagnetic…
m Derived Band Pass Filter: We can obtain m Derived Band Pass Filter if the prototype band pass filter is simplified according to the network in the Fig. 9.35 which has been used to obtain…
Bandwidth of RLC Circuit: The bandwidth of any system is the range of frequencies for which the current or output voltage is equal to 70.7% of its value at the resonant frequency, and it is…
Frequency Response for Low Pass Filter and High Pass Filter: The Fig. 2.71 shows the Frequency Response for Low Pass Filter. A low pass filters has a constant gain from 0 Hz to a high…
Types of Single Phase Synchronous Motor: There are two types of single phase synchronous motor, namely, Reluctance Motor Hysteresis Motor Construction of Reluctance Motor and Torque Speed Characteristics: The reluctance motor, in general, results wherever…
Properties of Fluid in Fluid Mechanics: The following properties of fluids are of general importance to the study of fluid mechanics. Mass density (ρ) Specific Volume (v) Specific weight (w) Specific gravity (S) 1. Mass…
Faraday's Laws of Electrolysis - First and Second Law: The laws governing the electrolytic processes were formulated by Michael Faraday, an English Scientist, and are known as Faraday's Laws of Electrolysis. These may be stated…
Centralized Switched Telephone Network: Centralized Switched Telephone Network - As data systems have increased in number and complexity, it has become increasingly important to provide for their proper and orderly interconnection. Small, simple systems could…
