PHYS245 Electricity and Electronics
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Problem 3: Battery Testers (Part 2)

The magnified image below shows the two sides of one of the original AA testers. Explain how the Copper TopTM Tester for the 1.5 V cell works by using simple circuit concepts and properties of resistors.


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Last updated March 31, 2005.
Copyright George Watson, Univ. of Delaware, 2005.