Electrical Protective devices

Electric protection

Electrical protective devices have very important role in these days because of our life very close or depending to electricity so protection from electrical fault is very important in our life. Fuse Fuse is a system of fuse wire,placed in Continue reading Electrical Protective devices


സർവ്വസമവാക്യങ്ങൾ. 🔹(a+b)² = a²+2ab+b² 🔹(a-b)² = a²-2ab+b² 🔹a²-b² = (a+b)(a-b) 🔹a³+b³ = (a+b)(a²-ab+b²) 🔹a³-b³ = (a-b)(a²+ab+b²) 🔹a³+b³ ─────── = a+b a²-ab+b² 🔹a³-b³ ────── = a-b a²+ab+b² 🔹(a+b)³ = a³+3a²b+3ab²+b³ 🔹(a-b)³ = a³-3a²b+3ab²-b³ 🔹(a+b)²+(a-b)² = 2(a²+b²) 🔹(a+b)² – (a-b)² = 4ab Continue reading Basic’s

Raman spectroscopy

Introduction to Raman spectroscopy Raman spectroscopy was named in the honor of its inventor, C.V. Raman. Raman spectroscopy (RS) is a versatile method for analysis of a wide range of samples. It resolves most of limitations of other spectroscopic techniques. Continue reading Raman spectroscopy

Lithographic technology

Lithographic technology is a printing method that uses electrochemical process to create an image.Lithographic is a greek word means lithos, meaning “stone”, and graphein, meaning “to write”. It was invented in 1796 by German author and actor ” Aleos Senefelder Continue reading Lithographic technology

Overhead power transmission

All of us have a sound knowledge regarding overhead transmission system.Simply we can tell “Its a structure used for energy transmission and distribution along a large distance.”This system mainly consists of poles or towers and conductors.This poles or tower will Continue reading Overhead power transmission

Roaming and Handoff


Roaming and Handoff are technical words in telecommunication world.Now a days these are very popular these words both in communication field and normal life.So knowlede with this simple technical word is very important. * What is the roaming ? When Continue reading Roaming and Handoff