Difference Between Primary Cell and Secondary Cell
The main difference between a primary and secondary cell is that the primary cell is not rechargeable whereas a secondary cell is rechargeable. Primary cell … Read more
Basics
Electrical Conductivity | Definition, Symbol, Formula, Unit
What is Electrical Conductivity? Electrical conductivity is the property of the material that allows electric current to pass through it. In other words, electrical conductivity … Read more
Electrical Resistivity | Definition, Formula, Symbol, Units
What is Electrical Resistivity? Electrical resistivity is the electrical resistance of a specific specimen of the material of unit length and unit cross-sectional area. The … Read more
Factors Affecting the Resistivity of Electrical Materials
The factors like temperature, alloying, cold work, age hardening & mechanical stress affect the resistivity of electrical materials. In this post, we will discuss the … Read more
Electric Phase or Line Tester – Its Construction & Working
A phase or line tester is an electrical testing device used to detect the presence of voltage in the electrical circuit. For maintenance, troubleshooting, and … Read more
Magnetomotive Force
Definition: Magnetomotive force (MMF) is the magnetic pressure that sets up the magnetic flux in the magnetic circuit. Without MMF, it is not possible to … Read more
Magnetic Saturation: What is it ?
Definition of Magnetic Saturation: The point beyond which magnetic flux density in a magnetic core does not increase with an increase of MMF (NI) called … Read more
Limitations of Ohm’s Law
The limitation of ohm’s law is that this law is not applicable to unilateral networks & nonlinear devices. The unilateral network permits the flow of … Read more
How to Prevent Electrical Outlets from Overheating?
One of the most common problems is electrical outlet overheating. Electrical outlets are used to distribute electrical energy. Thus, the reliability of the electrical installations … Read more
Electric Circuit -Types of Electric Circuit
The main types of electric circuits are Close Circuit, Open Circuit, Short Circuit, Series Circuit, and Parallel Circuit. Electric circuit provides the conductive path for … Read more