CHAPTER 3  >  ACTIVITIES  >  INVESTIGATIONS  >  INVESTIGATION 32
Sections
Main   |   Description   |   Assignment   |   Model   |   Questions
32
Dynamics of an incandescent light bulb



Main
If an incandescent bulb is turned on and off quickly, it shows an interesting current – voltage characteristic. Voltage across and current through a bulb are measured as functions of time. More…


Photographs

Movies

Readings
Prasad and Mascarenhas (1978): A laboratory experiment on the application of Stefan's law to tungsten filament electric lamps. Am. J. Phys. 46, 420-423
Data files
Incandescent_Bulb.xls
Tungsten_Emissivity.xls
Tungsten_Resistivity.xls
Models

Sections
Main   |   Description   |   Assignment   |   Model   |   Questions

Description
DESCRIPTION OF EXPERIMENT
Experiment

Dimensions


Sections
Main   |   Description   |   Assignment   |   Model   |   Questions

Assignment
A POSSIBLE PATH THROUGH THE INVESTIGATION…
Basics

Particulars


Sections
Main   |   Description   |   Assignment   |   Model   |   Questions

Model
MODEL EQUATIONS AND MORE…


Sections
Main   |   Description   |   Assignment   |   Model   |   Questions

Questions
SOME SIMPLE QUESTIONS…

Sections
Main   |   Description   |   Assignment   |   Model   |   Questions