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20 Cards in this Set
- Front
- Back
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A form of energy that produces light, hear, magnetic and chemical changes |
Electricity |
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The flow of electrons |
Electric current |
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Materials that best support electricity |
Conductors |
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Material that do not allow current |
Insulators |
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Unit of electric strength |
Amp |
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Unit of electric pressure |
Volt |
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Unit of electric resistance |
Ohm |
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Electricity used |
Watt |
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Two forms of electrical current |
AC/DC alernating and direct |
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Electrons cannot move through the conductor without help from ? |
a source |
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Number of times cycling occurs per second |
Frequency |
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A path which electrons leave the source and operate the appliance |
Closed path |
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When a path is broken in electric current, it is called? |
Open circuit |
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A device that contains a metal wire that allows current to pass? |
Fuse |
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Reusable device that breaks the flow of current |
Circuit breaker |
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The three wire system, the circular opening is for what wire |
Ground wire |
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Passes through small part of the body, causing burns and muscle contraction |
Local shock |
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Passes through the nervous system |
General shock |
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What type of electrically powered equipment typically used in salon |
Thermal, mechanical or a combination of the two |
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Mechanical equipment have ------- thermal used to generate heat, combination produces flow of And heat. |
Motors |
