ELECTRICITY AND MAGNETISM - AC CIRCUITS - FILTERS AND RECTIFIERS NC State University Faculty Access

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Blinky Whirligig
# 5L30.20


Description: The LED is only lit when current in flowing in the proper direction. AC is applied so the LED is only lit every half a cycle. This can be shown by spinning the LED.

Purchased/Built: built

Quant. in Demo Room: 2

Demo References
Meiners 7-2.4 Swing a light bulb around and take a picture of it with a fan strobed Polaroid
The Physics Teacher TPT 22(9),554 An improvement on TPT,22(7),448, "AC made visible".
Freier and Anderson Mb-9 Blinking neon bulb on a cord is swung around in uniform circular motion.

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