Orange Juice Clock


In this demonstration a galvanic cell is made from the combination of a magnesium strip, a copper strip, and juice in a beaker. The current from this cell is used to drive a clock normally powered by a DC battery.
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Orange Juice Clock Demonstration   
(Movie/Animation (1))
Connecting the Clock   
(Movie/Animation (1))
Recording Voltage as a Function of Time   
(Movie/Animation (1))
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