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22 Cards in this Set
- Front
- Back
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Coulomb |
Unit of charge 6.28x 10^18 |
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Matter |
Is anything that occupies space and has mass |
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2 forms of electricity |
Alternating current and direct current |
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Two types of electricity |
Current- useful, AC/DC, performs work
Static- non-useful, electricity at rest, build up of charge produced by friction |
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Electricity |
Transfer of sub atomic particles of matter over a distance (flow of matter) |
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Atom |
Smallest unit of matter |
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Element |
Smallest particle of substance |
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Molecule |
A combination of two or more different elements |
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Work |
Force moving objects through a distance |
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5 sources of electrostatic force |
Chemical, heat, light, pressure, magnetism |
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Ionization |
Changing the number of electrons in a atom creating a electrostatic force |
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How do you know a atom is a good conductor |
By the number of valence electrons |
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Conductors |
Atoms with less than 4 valence electrons |
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Semiconductors |
Atoms with four valence electrons |
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Non conductors |
Atoms with more than 4 valence electrons |
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Free Electrons |
Electrons that move from one atom to another |
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Useful electricity |
Is the type that can perform work |
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Non useful electricity |
Is the type that cannot perform work |
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DC |
Is current that can change magnitude but does not change direction |
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AC |
Electrical current that continuesly changes in magnitude and periodically changes in directions |
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Current |
Flow of Electricity |
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Batteries |
Chief source that can replenish alternators |
