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ELECTRICITY AND DIRECT CURRENT CIRCUITS, POWER SOURCES, CONDUCTORS,…
ELECTRICITY AND DIRECT CURRENT CIRCUITS
ELECTRICITY
Is a form of energy that lets negatively charged particles.
ELECTRIC CURRENTS
Is the flow of electrons from oneatom to another inside a conductive material
ELECTRICAL ENERGY
Is the most common form of energy because it is easy to obtain, it can be transported over long distances.
CONDUCTORS AND INSULATORS
Materials that let electric current flow through of them are called conductors.
Materials that do not let electricity flow through of them
ELECTRIC CIRCUITS
Is a series of interconnected components that an electric current flows through to produce an effect.
Components that supply the necessary electrical energy.
Components that transport the electrical energy from the power sources to the load devides.
LOAD DEVICES
Components that receive the electrical energy from the power resources and convert it to useful energy.
Devices that regulate the circuit.
COMPONENTS OF A CIRCUIT
Cell
Battery
Two way switch
Lamp
Push switch
Motor
One-way switch
Buzzer
Wire
OPED CIRCUITS AND CLOSED CIRCUITS
A circuit is open when the energy of the power sources CANNOT flow.
A circuit is closed when the enrgy of the power sources REACHES the load devices, so the current no flow.
Types of circuits.
SERIES CIRCUITS
PARALLEL CIRCUITS
SERIES-PARALLEL COMBINATION CIRCUITS
MAIN ELECTRIC VARIABLES
Current is the intensity of the current or the amount of the elctrons flowing through a conductor over the a certain time.
Voltage is the difference in the charge between two points.
Resistance is the opposition to the electric current.
Ohm´s law
POWER SOURCES
CONDUCTORS
CONTROL DEVICES
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