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### 41 Cards in this Set

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 Electrons will flow because they are on the outside or inside of the atom? Outside What is the unit of resistance in electricity? Ohms What is the thickness of a wire? Gauge What is the charge on a proton, positive or negative? Positive What is the thing outside of your home that changes the voltage into 220? Transformer What is the greek symbol for the unit Ohm? Omega What is electrical potential energy? Voltage Opposite charges will do this. attract What happens to resistance as the temperature is increased? The resistance gets higher What type of phase electricity would a factory or something that needs a lot of power? Three phase What happens to a wire's resistance as the wire gets thicker? The resistance lowers How many times per minute do a three phase electricity hits 0 volts? zero What is friction in electricity known as? resistance What does the "A" stand for in AC? Alternating This is the same thing as a joule/coulomb... volt What is the rate of doing electrical work? watt What type of current does a battery produce? direct (DC) What is the third prong on a plug called and what does it do? It is called a ground and it is where we hope current flows if an electrical device is not functioning correctly. You generate this when you are touching the ground and high voltage at the same time. potential difference What is the frequency of AC current in Europe? Fifty What is the name of the generator that produces AC current? alternator What is the device in your home that prevents you from drawing too much current and will shut off the power? circuit breaker One of these is equal to 6.26 x 10~18 coulomb What is the same thing as a coulomb per second? Amp What is the flow of electrons called? current Using ohm's law, what happens to current if resistance doubles? The current decreases into half of what it was What is the law that shows the relationship between voltage, current and resistance? ohm's law What resource does Ohio produce the most or their electricity from? coal What is the on an electron (positive or negative)? negative What is the unit of current? Amps What is the form of energy that deals with moving charge? electricity When an electrical circuit is overloaded and the circuit shuts-off we say that it did this... trip What is the flow of electrons called? current Who invented AC? Tesla Using the ohm's law, what happens to current if voltage doubles? doubles What machine generates charge? vandegraf What charge is made from friction? static What is the frequency of AC current in our homes? sixty What type of phase electricity that comes into your home? one phase What has less resistance, a dry human body or a wet human body? Wet Like charges will do this. Repel