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
Gate Valve| Its Types, Parts, Construction & Advantages
The gate valve is suitable for stopping or opening the fluid flow. Its valve direction of movement is vertical to the direction of fluid flow. … Read more
AC Adapter | Working, Types & Applications.
What is an AC Adapter? AC adapter converts a higher-voltage AC to a lower-voltage DC. Many electronic appliances require constant DC voltage for their operation. The AC adapter … 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
DC Injection Braking in VFD- Variable Frequency Drive
DC injection braking in vfd is one of the methods of braking of the motor. In this article, we will understand what is DC braking … Read more