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Electricity Lesson #1

Horizontales
The “pressure” that pushes electricity.
Entity contains two distinct and opposite poles that can either attract or repel each other.
Have a positive charge.
Have a negative charge.
The strength of one unit of constant electrical current.
Switches directions rapidly
Basic unit of power used to measure electric, thermal, and mechanical power.
Flows in one direction
Materials that present high resistance and restrict the flow of electrons.
The movement of electrons between atoms.
Anything that uses power from a cell (battery).
Verticales
The SI unit of electric charge, equal to the quantity of electricity conveyed in one second by a current of one ampere.
Flow of electrons, but current and electron flow in the opposite direction
Do not have a charge.
The current through a conductor between two points is directly proportional to the voltage across the two points.
A simple pathway that lets electrons flow to one or more resistors.
Materials that offer very little resistance where electrons can move easily.
A measure of the opposition to current flow in an electrical circuit or conductor.
representation of the elements of a system using abstract, graphic symbols rather than realistic pictures.
The SI base unit of electrical current.
Two or more paths for current to flow through.
a piece of iron (or an ore, alloy, or other material) that has its component atoms so ordered that the material exhibits properties of magnetism, such as attracting other iron-containing objects or aligning itself in an external magnetic field.