Description:
Today we are going to use math and science to build a rechargeable LED light. For the science part, you will need: Rechargeable Lithium Battery, 150 ohm resistor, and white LED light (from Christmas LED lightbulb). For the math part, you will need the Ohm’s Law (V=IR or R=V/I).
For more of these related topics, check out our website link … http://educatetube.com/?p=3617

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