Electrical Fundamentals
For example a very simple electrical circuit consists of three elements.
Electrical fundamentals. There are two types of electrical current in common use today. The purpose of this info tec is to help you understand the fundamentals of electrical systems. 2 fundamentals of electricity we will start with an overview to introduce you to the main points about these devices and the parts that make them. In order for any electric system including a solar system to be able to power appliances it must be able to produce the same or more watts volts and amps as is required by any given appliance or by your power usage needs.
Section title page number introduction to electricity 3 characteristics 3 current 4 voltage 5 resistance 6 review 1 9 ohm s law 10. Electricity is an apparent force in nature that exists whenever there is a net electrical charge between any two objects. An electric circuit is a closed loop made of conductors and other electrical elements through which electric current can flow. Many problems encountered in service work are electrical problems or related to electrical problems.
Alternating current ac and direct current dc. Understanding electrical fundamentals and electrical basics starts with understanding that all electrical equipment is rated in watts volts and amps. Electrical charges are either negative electrons or positive protons the unit of charge q is called the coloumb.