Tag Archive: physics

Mar 02 2010

Batteries: Why So Many Sizes?

AA, AAA, C, and D!  No, batteries…not bras.  Have you ever wondered why there are so many sizes of standard batteries?  Have you ever looked closely, seen that they all produce 1.5 volts, and wondered why there are so many sizes of standard batteries that do the same thing??  Here’s why.  It begins with the …

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