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Definition
natural & those created synthetically |
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Term
What are loadstone and magnetite? |
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Definition
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Where are natural magnets found |
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Definition
The earth's core - it takes up a small percentage of the core |
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Term
What are atoms composed of? |
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Definition
electrons, protons and neutrons |
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Term
2 straight wires next to each other both transmitting a flow of electrons in the same direction end up... |
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Definition
completing each other's magnetic fields |
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Term
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Definition
wires coiled around nails increase teh power of the magnetic fields |
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Term
what are electromagnets capable of picking up? |
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Definition
things from material items to recording of audio and video on magnetic tape |
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Term
The 2 basic varieties of electricity |
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Definition
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Term
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Definition
is present when an imbalance of positive and negative particles exist between 2 forms of matter. |
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Term
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Definition
charged particles departin from one atom for another. an electrical circuit is a secure path that the current can flow. |
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Term
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Definition
any maerial allowin the smooth flow of charged particles |
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Term
alternating current (AC) can move in how many directions? |
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Definition
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Term
direct current (DC) can move in how many directions? |
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Definition
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Term
How is AC electricity created? |
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Definition
generators or dynamos that have huge rotating copper wire coils housed with giant magnets, Hydroelectro plants (dams) or windmills. |
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Term
current distributed along residential commercial networks |
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Definition
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Term
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Definition
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Term
How many people in Manhattan still have DC power because of Thomas Edison? |
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Definition
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Term
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Definition
Immigrated from Serbia and was hired to work directly under Thomas Edison. |
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Term
Who redesigned and improved the efficiency capabilities of DC current equipment? |
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Definition
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Term
What did Edison claim about DC power? |
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Definition
That it was safer than AC power |
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Term
How did Tesla and Westinghouse show off AC power? |
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Definition
By building a power station at Niagra Falls and in 1896 powered all of Buffalo, NY |
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Term
How many Hertz in the US is AC powered at? |
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Definition
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Term
The right slit in an outlet is called what? |
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Definition
Hot (where the electricity is) |
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Term
The left slit in an outlet is called what? |
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Definition
Neutral, which is an open pass linking to the ground in order to complete the circuit |
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Term
The bottom round hole in the outlet is for what? |
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Definition
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Term
Larger residental outlets are used for what? |
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Definition
Washer and dryer, etc. using 240V with 2 hot connections (3 wire single phase) |
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Term
Does the electric voltage differ between residential and industry? |
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Definition
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Term
How many phase power is the industrial standard? |
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Definition
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Term
Why is 3 phase needed for industrial powering |
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Definition
In order to eliminate the drop affect |
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Term
Can a 3-phase accomodate a single phase? |
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Definition
yes, it will only use one of the phases instead of all 3 |
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Term
Whats the abbreviated symbol for Voltage? |
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Definition
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Term
Whats the abbreviated symbol for Current? |
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Definition
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Term
Whats the abbreviated symbol for Impedance? |
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Definition
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Term
Is Impedance for AC or DC? |
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Definition
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Term
Is resistance for AC or DC? |
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Definition
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Term
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Definition
blueprint of electricity's course thru a plotted circuit |
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