Sabtu, 26 Mei 2012

Electronics And System Computer

5. BASIC ELECTRONICS

Concepts Basic Electronics
Electronics is the study of weak electrical currents that are operated by controlling the flow of electrons or electrically charged particles in a device such as computers, electronic devices, thermocouples, semiconductors, and so forth. The study of such tools is a branch of physics, while the shape design and manufacture of electronic circuits are part of electrical engineering, computer engineering, and science / electronics and instrumentation engineering.
Tools that use basic electronic work is usually referred to as electronic equipment {electronic devices). Examples of equipment / electronic devices this: {Cathode Ray Tube Cathode Ray Tube, CRT), radio, TV, cassette recorders, video cassette recorder (VCR), recording VCD, DVD recorders, video cameras, digital cameras, desk-top personal computers, Laptop computers, PDA (pocket computer), robots, smart cards, etc..
As mentioned above electronics are based on knowledge of electricity. Electricity, can be interpreted as follows:
• Electricity is a condition of certain subatomic particles, like electrons and protons, which led to the withdrawal and rejection of these styles.
• Electricity is the energy source which is distributed via cable. Arises because the electric current electric charge flows from positive to negative channel channel.
There are two types of electric charge: positive and negative. Through experiments, similar charges repel each other-and-charge of the opposite sex attract each other. The amount of pulling force and rejected are set by the Coulomb law. Coulomb's law is the law that describes the relationship between the force arising between two point charges, which separated a certain distance, the value of the charge and the distance separating the two. Units SI unit of electric charge is the coulomb, which has the abbreviation "C". The symbol £> is used in equations to represent the quantity of electricity or charge. For example, "Q = 0, SC" means "the quantity of electric charge is 0.5 coulomb".
If the electricity flowing through a particular material, for example of tungsten and tungsten, incandescent light to be emitted by the metal. Such materials are used in light bulbs {bulblamp or bob / am). Each time the electricity flowing through a material having a resistance, then the heat is released. The greater the electrical current, the heat arising would be multiplied. These properties are used in the iron and an electric stove element

Tidak ada komentar:

Posting Komentar