Al Tobias (wat4y) - Office: Gibson S123 & Physics 218, (434) 924-0538
Demonstrations are cataloged according to PIRA Bibliography
PLEASE REQUEST DEMOS WELL IN ADVANCE
Due to Physics Building renovations, the lead time to set up demo requests has increased due to the need to transport equipment across campus. Please be kind and let me know well ahead of time what you need.
Choose a Topic or Enter a keyword to search:
|
You have selected the following Demos:
|
video - Wheatstone Bridge IIPurpose:To demonstrate the principle of the Wheatstone Bridge.Procedure:  Short Version: 2 "four outer bulb" combinationsLong Version: 6 "four outer bulb" combinationsStart out with the bridge having three 25W light bulbs in the outer receptacles. The fourth outer receptacle can be filled with light bulbs of different power ratings, ie. 60W. When a bulb with the same power rating as the other three is placed in the fourth receptacle the bridge is balanced and the central bulb will not be lit. Equipment:
 |