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Studio Maintenance 1
Electronics
7
Other
Undergraduate 2
11/08/2007
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Term
Passive Components
 Definition

-Requires no external power source to operate

 

-Resistors

-Capacitors

-Inductors

-Transformers 
Term
Reactance
 Definition

-The opposition to AC current by capacitance and inductance

-Changes with frequency

 
Term
Impedance
 Definition

-The combines opposition to AC current by resistance and reactance

-Frequency dependent resistance 
Term
Permeability
 Definition
-The ease at which a magnetic field is established in a material
Term
Gauss
 Definition
-Unit of magnetic flux density (strength of magnetic field at a particular point)
Term
Transformers
 Definition

-A passive component with a major class of coil comprised of 2 or more windings around a permeable core.

-Converts electrical energy into magnetic energy through the permeable core and back into electrical energy in the secondary winding.

 

Behavior: Allows AC to pass because it sets up a fluctuating magnetic field which induces current in the secondary winding.  Won't pass DC because there's no conductive connection between the windings and the magnetic field generated is not fluctuating. 
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