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Basic Electricity unit #1 & #2

Horizontales
One of the fundamental parts of which an atom is composed. It is the positively charged center of the atom composed of protons and neutrons
A device designed to open and close a circuit by non-automatic means, and to open the circuit automatically on a predetermined overload of current, without injury to itself when properly applied within its rating.
The science of the behavior of electrons, especially in vacuum tubes, photoelectric cells, and transistors.
Produced by the existence of charged bodies, either positive or negative. The body exists with a lack of electrons or an excess of electrons without a continuous flow.
One of the fundamental particles of which an atom is composed. It carries a negative electric charge of one electronic unit. Electrons surround the positively charged nucleus of the atom.
The smallest division of a chemical element that exhibits all properties of that element.
Verticales
A conductor of electricity.
The relative amount of electric charge at one point in an electric circuit compared with that at another point in the circuit, which causes a current flow through a continuous path between the two points. Also referred to as electromotive force and potential difference.
The rate of movement of free electrons through an electrical conductor. It is usually expressed in amperes and is designated by the symbol I.
A circuit diagram that shows the connections of an installation or its component parts. It may cover internal or external connections that are involved.
A unit of electrical current, equal to 1/1000 ampere.
A material that offers very high resistance to flow of electrical current, so that essentially no current flows through it. Used to isolate and separate conductors in a circuit so that electricity only flows through those conductors in the intended manner.