Shared Flashcard Set

Details

IMA CH.4,5,6
Quiz's
32
Other
Not Applicable
09/06/2006

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Cards

Term
Static Electricity
Definition
unequal positive and negative particles which creats a flow of electricity.
Term
Current Electricity
Definition
Steady stream of electrons from atom to atom.
Term
What are the 2 types of magnets?
Definition
Natural Magnets and Artificial Magnets
Term
Flux
Definition
Field around particles that cause attraction and repulsion
Term
Electromagnetics
Definition
wires coiled to increase the power of the magnetic field
Term
Circut
Definition
An unbroken path current travels to produce work.
Term
DC(Direct Current)
Definition
Flows in one direction
Term
AC(Alternating Current)
Definition
Flows in two directions
Term
TRUE or FALSE:
Can AC be transformed?
Definition
TRUE
Term
The standard AC receptacle consists of?
Definition
Hot,Neutral,Ground
Term
Resistor
Definition
Adds resistance, and can be fixed or variable.
Term
Capacitor
Definition
Stores electricity
Term
Transformer
Definition
Step up AC and DC power, and can convert AC to DC
Term
Transistor
Definition
Used to amplify,detect,or switch.

-replaced vacuum tubes
Term
LED
Definition
Light emitting diode
Term
Ground
Definition
Connection to Earth
Term
Olaf Romer
Definition
made the first estimate of the speed of the light
Term
1895
Definition
Nicola Telsa predicted wireless telephoney.
Term
1896
Definition
Marconi patents the wireless radio
Term
What year did the first commercial radio station start and what is the name?
Definition
1920, KDKA
Term
What is the speed of light?
Definition
186,000 mps
Term
TRUE or FALSE:
Light needs a medium?
Definition
False
Term
What transmits music, pictures, and data?
Definition
Radio waves
Term
____ is the lowest frequency we see and ____ is the highest frequency.
Definition
Red, Violet
Term
____ = color
Definition
Frequency
Term
_____ = brightness
Definition
Amplitude
Term
Direct Light is measured in?
Definition
Lumen
Term
Reflected Light is measured in?
Definition
Lux or Foot Candle
Term
What three colors are in the Additive Color Theory?
Definition
Red,Green,Blue
Term
What three colors are in the Subtractive Color Theory?
Definition
Cyan,Magenta,Yellow
Term
What are the three different types of UV rays?
Definition
UVC,UVB,UVA
Term
What are X-Rays?
Definition
Very intense, short waves which can be move around molecules.
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