There are many names in the field of atomic model and atomic structure. The first name to understand the atomic structure of matter was J.J.Thomson who represented the Plum Pudding Model, that was based upon the concept that electrons in an atom are distributed on positive charge just like plums in a pudding. Ultimately making a sense… Read More »
To better understand the servo motor let us first see what is the meaning of term “servo”. The term servo is applicable for any system that uses a feedback mechanism in order to control the required situation. The feedback can be in the form of signals from sensors or limit switches or number of revolutions,… Read More »
In order to understand the electric charge of electron let us first understand from where the charge comes? As all of us know that matter is made up of atoms. An atom consists of Proton, Neutrons and Electrons. Proton is having the positive charge, electron is having negative charge and neutron is neutral means having… Read More »
What is an ammeter? Ammeter or ampere meter is an electrical measuring device, which as seen from its nomenclature is useful for the measurement of the ampere i.e. to measure electric current through the circuit. The normal symbol of ampere meter is capital A mentioned inside a circle. This is the way ammeter is symbolized… Read More »
The electricity which we use at home is normally the alternating current or AC. AC current is result of alternation of the generator armature or alternator. The electricity or current flows in one direction and then reverse direction. Each cycle in AC current consists of a positive and a negative alternation. During AC generation waveform produced… Read More »
Ampere’s circuital law states that the line integral of magnetic field intensity about any closed path is exactly equal to the direct current enclosed by that path. In the figure below, the integral of H about closed paths a and b gives the total current I, while the integral over path c gives only that… Read More »