Difference between revisions of "Generator--Alternator"

From UO Physics Demonstration Catalog

(Created page with "{{NewDemo|subject=Electricity and Magnetism|topic=Magnetic Fields and Forces|file1=Generator--Alternator.gif}} An automobile alternator is driven by hand through a set of pulley's. The magnetic field within the alternator can be self induced or can be induced by an external voltage supply. The output of the alternator is connected to a set of three 12 V light bulbs each of which can be independently turned off or on. As the generator is turned to the point of lighting o...")
 
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{{NewDemo|subject=Electricity and Magnetism|topic=Magnetic Fields and Forces|file1=Generator--Alternator.gif}}
{{NewDemo|subject=Electricity and Magnetism|topic=Magnetic Fields and Forces|file1=Generator--Alternator.gif}}


An automobile alternator is driven by hand through a set of pulley's. The magnetic field within the alternator can be self induced or can be induced by an external voltage supply. The output of the alternator is connected to a set of three 12 V light bulbs each of which can be independently turned off or on. As the generator is turned to the point of lighting one of the bulbs, another can be turned on. The turner of the crank will then fell a very pronounced loading of the alternator as the additional light bulb draws more power.
An automobile DC generator is driven by hand through a set of pulley's. The magnetic field within the generator can be self induced or can be induced by an external voltage supply. The output of the generator is connected to a box that has a set of three 12 V light bulbs, each can be independently turned off or on. As the generator is turned to the point of lighting one of the bulbs, another can be turned on. The turner of the crank will then feel a very pronounced loading effect as the adding light bulbs draws more current, the required energy is higher and the crank is harder to turn.  


'''Location:
'''Location:
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* Shelf O
* Apparatus Shelf O-2
*External DC Power supply Shelf L-3
*
*

Revision as of 11:11, 18 January 2023

Return to Magnetic Fields and Forces

Generator--Alternator.gif

Description:

An automobile DC generator is driven by hand through a set of pulley's. The magnetic field within the generator can be self induced or can be induced by an external voltage supply. The output of the generator is connected to a box that has a set of three 12 V light bulbs, each can be independently turned off or on. As the generator is turned to the point of lighting one of the bulbs, another can be turned on. The turner of the crank will then feel a very pronounced loading effect as the adding light bulbs draws more current, the required energy is higher and the crank is harder to turn.

Location:

  • Apparatus Shelf O-2
  • External DC Power supply Shelf L-3