Eddy Current Loss Formula
What is eddy current? When the conductor is placed in the varying magnetic field the localized current starts flowing in the conductor is called the … Read more
What is Electrical Resistance? Definition and Unit of Resistance
Definition of Resistance The property of the substance to resist the flow of electric current through it is known as resistance. The unit of resistance … Read more
Temperature Coefficient of Resistance- Formula & Solved Problems
The temperature coefficient of resistance is the parameter that shows the relationship between the variation of resistance with an increase in temperature. The resistance of … Read more
Electron Volt or eV | Unit of Energy
In atomic and nuclear physics electron Volt or eV is used as an unit of energy.Joule is also a unit of energy but it is … Read more
Electric Current and Theory of Electricity
What is Electric Current? The electric current flows in the circuit if a potential difference exists. The potential difference is the pressure that causes the … Read more
Measurement of Insulation Resistance
What is Insulation Resistance Test or IR Test? The Insulation Resistance Test consists in measuring the Insulation resistance of a device under test, while phase … Read more
How to Calculate NGR Resistance Value?
What is NGR ? NGR-Neutral Grounding Resistance. NGR is used to limit the ground fault current to the equipment safe operating current range to protect … Read more
Transformer Basics & Its Working Principle
What is a Transformer? The transformer is a static device that transfers electrical energy from one circuit to another circuit without altering the frequency. The … Read more
Efficiency of Transformer
The transformer is a vital link between the load and the supply. The efficiency of transformer is very important in view of energy saving.The transformer … Read more
EMF Equation of Transformer | Turns Ratio of Transformer
EMF equation of transformer is very important for understanding the working of the transformer. When a sinusoidal voltage is applied to the primary of the … Read more
