How many volts does a Grapefruit have?
If you selected zinc and copper strips for electrodes, and pushed them far into a grapefruit, you could get 0.85 volts (V) and 0.4 milliamperes (mA) of electricity. Scientists are working on a better battery based on fruits or vegetables. ChaCha!
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How many volts does a grapefruit give off?
A fruit or vegetable doesn't exactly produce electricity, it ...
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