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.
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You have selected the following Demos:
video - LED Coil
Purpose:To show that the direction of the induced current depends on whether the magnetic flux through the coil is increasing or decreasing
The RED and GREEN LED's are connected to the coil in parallel with their directions reversed. The red diode lights up when a current is present in one direction while the green diode lights up for a current in the opposite direction. Inserting and removing the magnet from the coil will light up one diode then the other.