Techniques and basic concepts of DC electrical current (Direct)

Here are the things important to know the basic concepts in direct current electronics;
1. Static Electricity
- All material prepared by the world as we know the atomic
- All atoms contain what we call the electrons, protons, and neutrons
- Negative charged electrons
- Proton charge pontiff
- Neutrons have no charge
- Electrons more easily separated than the protons and neutrons
- The number of protons in the nucleus indicates the uniqueness of the object

2. Conductors, insulators, and electrical current
- The conductor material, the outermost electron in each atom can easily come and go, this is called a free electron conductor material and the electrons are easily moved.
- In isolator material, the outermost electron in an atom is not easy to move so that electrons are not easily separated.
- All metal is a conductor
- Electricity dynamic or electric current is a form of electrons through a conductor movement. Static electricity does not move, the amount is based on the existing electron, expressed by the lack or excess of electrons on an object.
- In order for electrons to flow continuously through a conductor, there must be a path that is not broken at tersebut.3 conductor. Electrical circuits
- An electrical circuit is a loop of conductor material that does not happen disconnected continuous flow without end
- If a circuit is broken conductor or conductor is no longer on the whole, and the flow of electrons can not go through.
- Termination of the circuit where no longer can make electrons flow continuously. Disconnect any part the circuit will cause delays through the circuit electro.
4. Voltage and current
- Electrons can flow on the conductor due to the energy that encourages static electricity.
- Voltage (tension) is the measurement of the potential energy in an object between two points.
- Voltage (tension), is a form of potential energy, is always relative between two points. Sometimes we also say that the fall in voltage ( "voltage drop")
- When the voltage source is connected to the circuit, the voltage will cause electrons to flow through the body or what we call the flow.
- In a single circuit, the currents at a point equal to the other point.
- If the circuit contains a voltage source end, then the full voltage will be at the end point is
- The + / - is the orientation of the voltage drop that we call the polarity or polar. This is also relative between two points.

5. Barriers
-Resistance (resistance) is the opposite of an electric current..
- The relationship is short-circuit has a small barrier or no barrier to electron flow. Very dangerous short circuit when the high voltage source, because the flow will cause the loss of the amount of heat energy in large quantities.
- Open circuit is when a stream has been damaged by an interruption in the flow of electrons
- Closed circuit is a complete circuit with a continuity of good value.
A tool designed to control the opening and closing is called the switch.