PHYS208 Fundamentals of Physics II

Group Exercise 1b

[Top of Copper Top 9V Tester]

[Bottom of Copper Top 9V Tester]

The underside of a Duracell Copper Top 9V 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.

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