## 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