## Parallel Operation of Alternators

Parallel operation of alternators is the process of connecting two or more alternators or synchronous generators in parallel to supply electric power to a common … Read more

## Polarity Test of Transformer -Explanation and Diagrams

The polarity test of the transformer is performed to determine the direction of induced voltages in the primary winding and the secondary winding. The polarity … Read more

## Resistance Formula of a Wire

This article describes the relationship between resistance and length of a material with the resistance wire formula. Resistance is the property of the material that … Read more

## IP Ratings and IP Rating Chart

IP ratings classify the levels of protection against solid objects, dust, accidental contact, and water in electrical enclosures. IP ratings are key for understanding how … Read more

## Drift Velocity- Definition, Formula, Examples

The slow movement of electrons in the conductor when an EMF is applied across the conductor is called Drift Velocity. The electrons do not move … Read more

## What is an Electric Meter?

Definition: An electric meter, also known as an electricity meter, electrical meter, energy meter, or kilowatt-hour meter, is used to measure the electrical energy consumed in a … Read more

## Auto Transformer: Definition, Theory, and Diagram

In this article, we will study the theory and diagram of an autotransformer(or auto transformer). An auto transformer is a type of electrical transformer used … Read more

## What is Residual Magnetism? – Its Types

Residual magnetism refers to the remaining magnetization in a circuit after removing the external magnetic field. This article describes the residual magnetism and its types. … Read more

## What is the Dimensional Formula of Inductance?

The dimensional formula of inductance is [ML2T−2A−2]. In this article, we will derive this dimensional formula of inductance. What is a Dimensional Formula? The dimensional … Read more