PHYS208 Fundamentals of Physics II

Group Exercise 1: Battery Testers

[Copper Top Tester]

The underside of a Duracell Copper Top AA battery tester is shown in the magnified image above, along with the temperature display that is directly above it. Using simple circuit concepts, explain how this battery tester works.

For a related challenge, explain how the 9V tester works.

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Last updated Feb. 22, 1998.
Copyright George Watson, Univ. of Delaware, 1997.