resistance of brass strip

Parl · 2009-02-24T22:21:20+00:00

I want to make a battery tester. I am in the UK.I'll use a fixed metal sheet which I will press the positive stud of a cell on. (A meter probe will go to the other end.)(1) I tried an aluminium sheet for the metal but it didn't make good contact possibly on account of repeated re-tarnishing.(2) I'm considering a metal strip like the contacts on a 1289 (3LR12)battery: However I think the strips are and when I look at the electrical conductivity of brass it seems quite poor compared to copper. If brass is really a poor conductor then why is it used on a battery?(3) What alternative material could I use? Perhaps a plated metal sheet of some sort?

Feb 24, 2009 21 Replies

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proteusiiv 17 years ago

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