Re: pinhole Cheap voltmeter/ammeters

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From: Paul Doherty (pauld@exploratorium.edu)
Date: Sat Oct 23 1999 - 15:03:49 PDT

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Message-Id: <l03110718b437e1063cd1@[192.174.2.173]>
Date: Sat, 23 Oct 1999 14:03:49 -0800
From: Paul Doherty <pauld@exploratorium.edu>
Subject: Re: pinhole Cheap voltmeter/ammeters

Hi Mary

We get the cheapest radio shack ones, around $12 a few years ago.
But the kids will blow them out if they measure the current from a D cell
battery, so they may not be the best choice for you.

Paul D

Paul "But it is more complicated than that!" Doherty,
Senior Staff Scientist, The Exploratorium.
pauld@exploratorium.edu, www.exo.net/~pauld

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