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a part or aspect of something abstract, especially one that is essential or characteristic.

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The electron theory, which is now accepted and used to explain the behavior of electricity, states that electric current consists of electron flow and can be defined as a moving charge. Electricity can be defined, then, as charged matter.

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a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.

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a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.

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an electric current flowing in one direction only.

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a person who directs the performance of an orchestra or choir.

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an attachment, connected to the armature of a motor or generator, through which electrical connection is made and which ensures that the current flows as direct current.a device for reversing the direction of flow of electric current.

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a roughly circular line, route, or movement that starts and finishes at the same place.

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the negatively charged electrode by which electrons enter an electrical device.
the positively charged electrode of an electrical device, such as a primary cell, that supplies current.

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the negatively charged electrode by which electrons enter an electrical device.
the positively charged electrode of an electrical device, such as a primary cell, that supplies current.

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cathode

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a container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.

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the number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.

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the basic unit of a chemical element.

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the rotating coil or coils of a dynamo or electric motor.

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the rotating coil or coils of a dynamo or electric motor.

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Armature

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the positively charged electrode by which the electrons leave a device.the negatively charged electrode of a device supplying current such as a primary cell.

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the positively charged electrode by which the electrons leave a device.the negatively charged electrode of a device supplying current such as a primary cell.

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Anode

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a unit of electric current equal to a flow of one coulomb per second

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a unit of electric current equal to a flow of one coulomb per second

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ampere