Electrical Engineering Study Material for Engineering students to learn & practice, GATE exam, interview, competitive examination & entrance

Data Logger

Data Logger and Data Acquisition

Data Logger and Data Acquisition A summary of the main advantages, as well as a description and definition of data ...
crt

CRT-Cathode Ray Tube

CRT full form- Cathode Ray Tube A display screen known as a Cathode Ray Tube (CRT) creates images using a ...
Magnetic Disk

Magnetic Disk: Advantages, Disadvantages

What is Magnetic Disk We can store data for a very long time on magnetic disk, which are non-volatile storage ...
What is Earthing

What is Earthing: Types, Advantages

Have you ever felt a slight shock when touching some appliances while they are on and functioning? These shocks can ...
Wien Bridge Oscillator: Circuit Diagram, Frequency Calculation

Wien Bridge Oscillator: Circuit Diagram, Frequency Calculation

What is a Wien Bridge Oscillator? A Wien Bridge network (Figure 1a), which consists of four arms connected in a ...
Hays Bridge, Construction, derivation, Phasor Diagram, formula & Applications

Hays Bridge, Construction, derivation, Phasor Diagram, formula & Applications

The self-inductance of a coil with a high-quality factor (Q > 10) is measured using the Hays bridge, a particular ...
Schering Bridge

Schering Bridge, Circuit Diagram, Relative Permeability, Applications, Advantages & Disadvantages

An electrical circuit called the Schering Bridge is used to gauge how well electrical cables and other equipment insulate. Harald ...
Maxwell Bridge, Types, Advantages & Disadvantages

Maxwell Bridge, Types, Advantages & Disadvantages

Maxwell bridge is the name of the bridge that is used to measure the circuit's self-inductance. The Wheatstone Bridge has ...
Wheatstone bridge, Construction, formula, derivation, principle, diagram & Application

Wheatstone bridge, Construction, formula, derivation, principle, diagram & Application

To investigate the world around them, scientists employ a variety of skills. They observe things and gather data using their ...
Polar Type AC Potentiometer

AC Potentiometer, Types, Applications

AC Potentiometer The term "AC potentiometer" refers to a type of potentiometer that is used to determine the phase and ...
DC Potentiometer

DC Potentiometer

A Basic DC Potentiometer, Key features of potentiometers are, Operation of the DC Potentiometer A potentiometer is a device that ...
Hysteresis Loop (BH Curve)

Hysteresis Loop Definition, Meaning, Types, Loss, BH Curve

In a system that uses a magnetic field, hysteresis happens (Hysteresis Loop). Inherent in ferromagnetic materials is the phenomenon of ...
Three Phase Wattmeter

Three Phase Wattmeter

To gauge the power of a three phase circuit, a three-phase wattmeter is employed. Three phase Wattmeter combine the two ...
Electrodynamometer

Electrodynamometer Type Wattmeter, Construction, Working, Errors

Electrodynamometer The Electrodynamometer Wattmeter is a device whose operation depends on the interaction between the magnetic fields of moving and ...
Moving Iron Instrument, Construction, Working, Types, Advantages & Disadvantages

Moving Iron Instrument, Construction, Working, Types, Advantages & Disadvantages

The device that uses a moving iron to measure current or voltage flow is referred to as a moving iron ...
PMMC Instrument Construction

PMMC Instrument, full form, diagram, Working Principle

The ship uses a variety of electrical machines to move from one location to another safely and effectively. But in ...
Multimeter?

Multimeter, Types, Functions, Working, Advantages & Disadvantages

The majority of engineers and technicians in the electronics industry are familiar with the measurement tool known as a multimeter ...
Ammeter

Ammeter Working Principle, Types, Advantages, disadvantages

Ammeter The word "meter" is, as we all know, connected to the measurement system. An object that can measure a ...
Analog Voltmeter

Analog Voltmeter-Working, Types And Applications

An instrument used to measure voltage in electrical circuits is an analog voltmeter, also referred to as an analog voltage ...
Digital Voltmeter, Working Principle, Block Diagram, Types, Applications

Digital Voltmeter, Working Principle, Block Diagram, Types, Applications

Voltmeters are a crucial tool that are widely used in a variety of electrical and electronic technology applications for measuring ...
Calibration

What is calibration? Calibration meaning, definition, Types, Applications

Calibration is the process of fine-tuning and confirming the accuracy of a measuring system, such as an electronic gadget or ...
Errors in Measurement

Errors in Measurement, Types, Calculation, Example

The advancement of science and technology is crucial without the availability of accurate calculated values to provide convincing arguments. A ...
measurements and instrumentation

Measurements and Instrumentation

Measurements and Instrumentation Measurements and Instrumentation Instrument A device or mechanism used to determine the present value of a quantity ...
digital resonator

Digital Resonator

A unique two-pole bandpass filter called a digital resonator has two complex conjugate poles that are close to the unit ...
Gibbs Phenomenon

Gibbs Phenomenon, Effects

What is GIBBS Phenomenon? J. Willard Gibbs rediscovered the GIBBS phenomenon in 1899 after Henry Wilbraham had first discovered it ...
Goertzel Algorithm

Goertzel Algorithm

What is The Goertzel Algorithm? Although many engineers have never heard of it, the Goertzel algorithm can detect tones with ...
FAST FOURIER ALGORITHM

FAST FOURIER ALGORITHM, RADIX-2 FFT ALGORITHMS

FAST FOURIER ALGORITHM Fast Fourier Transformation (FFT) In the field of measuring audio and acoustics, the "Fast Fourier Transform" (FFT) ...
Discrete Fourier Transform

Discrete Fourier Transform

The computation of mathematical techniques used to manipulate signal data is known as digital signal processing (DSP). The Discrete Fourier ...
Convolution Theorem

Convolution Theorem

What is convolution theorem? A fundamental idea in signal processing, mathematics, and related fields is the convolution theorem. It offers ...
Inverse Z Transform

Inverse Z Transform

Inverse Z Transform Finding the time domain signal x(n) from its Z-transform X(z) is known as the inverse Z-transform. There ...