Difference between revisions of "U23s2"

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m (New page: Main Page > Physics 141 > U23s2 This unit calls for a trim pot so students can adjust one of the resistances in circuit 23-12. Some designs of the breadboard-mountable trim pots ...)
 
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[[Main Page]] > [[Physics 141]] > U23s2
 
[[Main Page]] > [[Physics 141]] > U23s2
  
This unit calls for a trim pot so students can adjust one of the resistances in circuit 23-12.  Some designs of the breadboard-mountable trim pots are very inconvenient for students to adjust because the screw adjustment causes the pot to tilt or twist out of the breadboard.  The flat kind illustrated in the Activity Guide is the best because the screwdriver pushes down during adjustment and it is very stable.
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This unit calls for a trim pot so students can adjust one of the resistances in circuit 23-12.  Some designs of the breadboard-mountable trim pots are very inconvenient for students to adjust because the screw adjustment causes the pot to tilt or twist out of the breadboard and takes two hands.  The flat kind illustrated in the Activity Guide is the best because the screwdriver pushes down during adjustment and it is very stable.
  
 
[[Image:TrimPots.png|Comparison of trim pot designs and their perceived usability]]
 
[[Image:TrimPots.png|Comparison of trim pot designs and their perceived usability]]

Revision as of 21:29, 29 April 2010

Main Page > Physics 141 > U23s2

This unit calls for a trim pot so students can adjust one of the resistances in circuit 23-12. Some designs of the breadboard-mountable trim pots are very inconvenient for students to adjust because the screw adjustment causes the pot to tilt or twist out of the breadboard and takes two hands. The flat kind illustrated in the Activity Guide is the best because the screwdriver pushes down during adjustment and it is very stable.

Comparison of trim pot designs and their perceived usability