Contents
Cal Poly Pomona
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Physics Demonstrations at Cal Poly Pomona

Demo Index:
    EM-H-BF
Pira Index:
    5H 40.23
Title:
    BALAFIRE
Description:
    Demonstrates the effects of Lorentz’ forces on AC and DC current-carrying conductors.
Equipment:
    1. Balafire light bulb
    2. DC plug-in unit (rectifier)
    3. Variac
Procedure:
    1. Plug the light bulb directly into the variac, turn up the power and observe.
    2. Plug the light bulb into the DC rectifier and observe.