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What do you think is the purpose of a coin battery

Answer»

A penny battery can be useful in producing a small amount of voltage. To make a penny battery it is crucial that there are two different kinds of METALS with a substance in between them. To begin, SCRATCH off the copper coating on one SIDE of a penny exposing the metal zinc (silver color).Explanation:if u like it then follow me and make sure you MARK me as a BRAINLIEST answer...



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