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Bicolor LED Cord (EM-K-BL)

Bicolor LED Cord (EM-K-BL)



Demonstrates the alternating positive and negative nature of AC current.

LAB EQUIPMENT

1.  AC to LED cord
2.  DC plug-in unit (rectifier)
3.  Plug strip


  • Description

    Product Description

    DIRECTIONS

    1.  Plug the LED cord into the DC rectifier.  Notice the red or green LED lights up.  Remove, turn it around and plug it into the rectifier .  The other LED now lights up.
    2.  Plug the LED cord into the plug strip.  Notice that the green and red alternately light up as you move the LED back and forth.