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Chemical Effects of Electric Current
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12/05/2021 1:49 pm
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How can you make a tester for testing whether a given material is a conductor or an insulator?
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12/05/2021 1:50 pm
A tester can be made by attaching one free end of the wire to a terminal of a battery and another wire from other terminal of the battery to a bulb. The two free ends of wire are connected to the material to be tested.