July 29, 2008

Voltage, Current and Resistance

Basic Electrical Quantities

In electronics we are dealing with voltage, current and resistance of a circuit. In this lesson we will discuss the characteristics of each electrical quantities and how each quantity relates with the other.

July 28, 2008

The Electron Theory

Electron Theory states that all matter is related to electricity. What makes it related to electricity?

Matter is anything that occupies space, it is everything around you! Matter includes the air we breathe, water, paper, copper... practically everything. A matter could be an element or a compound.

What is Electronics?

Electronics is a branch of science which deals with the study of the flow of electrical charge (electrons and holes) in different materials and components such as resistors, capacitors, inductor, diodes, transistors and other semiconductor devices which operate at relatively low voltages.