PIRA Classification: 5L10.10
Description: A 25 W lamp and large solenoid are connected in series to an AD/DC power supply. When an iron core is inserted into the coil (supplied with AC current), the bulb will dim. When the circuit is switched to DC, moving the iron core will have no affect on the brightness of the lamp.
Special Instructions: None
Condition: Good
Setup time: 2 minutes
Safety Issues: None