In recent years, cells and batteries—especially cells—have become available in many different sizes and shapes besides the old cylindrical cells, transistor batteries and lantern batteries. In this article, you will learn about three types of miniature cells and batteries. … [Read more...] about Miniature cells and Batteries – Silver Oxide, Mercury and Lithium Cells
Battery
Different Types of Rechargeable Batteries
Rechargeable batteries are everywhere these days: cordless tools, laptop computers, cordless phones, and cell phones, just to name a few. Rechargeable batteries for use with consumer electronic products are of four basic types: Nickel-cadmium (Ni-Cd), Nickel metal … [Read more...] about Different Types of Rechargeable Batteries
Electric Potential, Potential Difference and EMF
In this article, you will study what are electric potential, the potential difference (PD) and electromotive force (emf) and the difference between them. Just as a body raised above the ground has gravitational potential energy, similarly, a charged body has electric potential … [Read more...] about Electric Potential, Potential Difference and EMF
Design a Power Supply Circuit – Simple to Complex
No electronics can run without power, to be precise a low voltage DC power, and a power supply unit is a device which is specifically meant for fulfilling this purpose. Here we cover complete details on how to design a power supply unit. We start with simple circuits and then … [Read more...] about Design a Power Supply Circuit – Simple to Complex
Speed Control Of DC Series Motors
Although a far greater percentage of electric motors in service are ac motors, the dc motor is of considerable industrial importance. The principal advantage of a dc motor is that its speed can be changed over a wide range by a variety of simple methods. Such a fine speed … [Read more...] about Speed Control Of DC Series Motors
29 Important Electrical Interview Questions you must Go through
Nervous about an upcoming Electrical Engineer interview? Check out this well-curated list of frequently asked Electrical interview questions and answers. 1. What is a 2 phase motor? A two-phase motor is a motor with the starting winding and the running winding have a phase … [Read more...] about 29 Important Electrical Interview Questions you must Go through