Basic Electrical Knowledge

Test your basic electrical knowledge 10 multiple choice questions on power voltage current ohm s law.

Basic electrical knowledge. Electrical4u is dedicated to the teaching and sharing of all things related to electrical and electronics engineering. The rules of the national electrical code are written for people who have a pre existing knowledge of electricity. Brush up on some basic electrical theory and deepen your knowledge about electricity. This series of articles on electrical theory is designed to be a refresher course for the electrical.

Current voltage resistance and power are the four basic properties of electrical circuits. In this post we cover ohms law ac and dc current circuits and more. In order to make sense of the code you must first understand basic electrical concepts such as voltage amperage resistance ohm s law wattage circuit theory and others. To learn about basic electrical engineering check out our articles on transformers electrical symbols alternators dc motors induction motors star delta starter lenz s law faraday s law and dol starters.

It s also important to know who is responsible for what portion of your electrical service. The volt the ampere and the ohm. If you see the word electrical engineering or electronics and communication you re looking at a pretty vast field of many inter linked subjects. Electrical engineering from basic to advanced level.

Basic electrical terms and concepts current voltage resistance charge power efficiency. Group of wires enclosed in plastic or tape covering ohm s law wiring harness switch acid core solder 31. People depend on electricity constantly and when the power goes out in a storm or there s a tripped breaker or another problem in an electrical circuit understanding the basic components of an electrical system can help you get things running again. Diagnostic tool used to find and diagnose vehicle problems waveform scan tool primary wire oscilloscope 32.

If we have to focus on broad categories then basic knowledge would consist of. The pressure that is put on free electrons that causes them to flow is known as electromotive force emf.