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
Inductance Formula With Solved Examples
The inductance formula calculates the inductance of the inductor. This article describes the inductance formula and how to calculate inductance. When electric current flows through … Read more
Different Types of Electric Motors and Their Applications
Different types of electric motors, including DC motors, AC motors, servo motors, stepper motors, and linear induction motors are used in industries for various applications. … Read more