
Scientific Explorations with Paul Doherty shows how to build an ammeter - "An ammeter is a device that detects an electric current. With some readily available materials, you can build your own ammeter and use it to measure current produced by batteries including homemade batteries and generators." - Link.
HOW TO - Build an ammeter
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do you have any homemade battery pic.?????
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This is a galvanometer, not an ammeter. And you could make it more sensitive by sticking a small mirror on the magnets and shining a laser pointer at it.
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